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144157700 = 225212711351
BaseRepresentation
bin10001001011110…
…10110000000100
3101001020222012002
420211322300010
5243401021300
622145444432
73400214561
oct1045726004
9331228162
10144157700
11744118a5
1240340718
1323b3491b
1415207868
15c9c85d5
hex897ac04

144157700 has 36 divisors (see below), whose sum is σ = 315313152. Its totient is φ = 57204000.

The previous prime is 144157691. The next prime is 144157723. The reversal of 144157700 is 7751441.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7025 + ... + 18375.

Almost surely, 2144157700 is an apocalyptic number.

144157700 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 144157700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157656576).

144157700 is an abundant number, since it is smaller than the sum of its proper divisors (171155452).

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

144157700 is a wasteful number, since it uses less digits than its factorization.

144157700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11492 (or 11485 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 144157700 is about 12006.5690353240. The cubic root of 144157700 is about 524.3395474248.

The spelling of 144157700 in words is "one hundred forty-four million, one hundred fifty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 127 254 508 635 1270 2540 3175 6350 11351 12700 22702 45404 56755 113510 227020 283775 567550 1135100 1441577 2883154 5766308 7207885 14415770 28831540 36039425 72078850 144157700