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144151200 = 25325220021
BaseRepresentation
bin10001001011110…
…01001010100000
3101001020122021100
420211321022200
5243400314300
622145354400
73400156614
oct1045711240
9331218240
10144151200
1174407a26
1240338a00
1323b3198b
1415205344
15c9c6700
hex89792a0

144151200 has 108 divisors (see below), whose sum is σ = 508338558. Its totient is φ = 38438400.

The previous prime is 144151193. The next prime is 144151207. The reversal of 144151200 is 2151441.

It is an interprime number because it is at equal distance from previous prime (144151193) and next prime (144151207).

It can be written as a sum of positive squares in 3 ways, for example, as 66781584 + 77369616 = 8172^2 + 8796^2 .

It is a super-2 number, since 2×1441512002 = 41559136922880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (144151207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2811 + ... + 17210.

Almost surely, 2144151200 is an apocalyptic number.

144151200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144151200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254169279).

144151200 is an abundant number, since it is smaller than the sum of its proper divisors (364187358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144151200 is a wasteful number, since it uses less digits than its factorization.

144151200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20047 (or 20031 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 144151200 is about 12006.2983471176. The cubic root of 144151200 is about 524.3316665686.

The spelling of 144151200 in words is "one hundred forty-four million, one hundred fifty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 7200 20021 40042 60063 80084 100105 120126 160168 180189 200210 240252 300315 320336 360378 400420 480504 500525 600630 640672 720756 800840 900945 961008 1001050 1201260 1441512 1501575 1601680 1801890 1922016 2002100 2402520 2883024 3003150 3203360 3603780 4004200 4504725 4805040 5766048 6006300 7207560 8008400 9009450 9610080 12012600 14415120 16016800 18018900 24025200 28830240 36037800 48050400 72075600 144151200