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144145012 = 22114179903
BaseRepresentation
bin10001001011101…
…11101001110100
3101001020022210011
420211313221310
5243400120022
622145310004
73400132564
oct1045675164
9331208704
10144145012
1174403310
1240335304
1323b2bc0b
1415202da4
15c9c4977
hex8977a74

144145012 has 24 divisors (see below), whose sum is σ = 281901312. Its totient is φ = 63921600.

The previous prime is 144144977. The next prime is 144145061. The reversal of 144145012 is 210541441.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38148 + ... + 41755.

It is an arithmetic number, because the mean of its divisors is an integer number (11745888).

Almost surely, 2144145012 is an apocalyptic number.

It is an amenable number.

144145012 is a deficient number, since it is larger than the sum of its proper divisors (137756300).

144145012 is a wasteful number, since it uses less digits than its factorization.

144145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79959 (or 79957 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 144145012 is about 12006.0406462747. The cubic root of 144145012 is about 524.3241637735.

Adding to 144145012 its reverse (210541441), we get a palindrome (354686453).

The spelling of 144145012 in words is "one hundred forty-four million, one hundred forty-five thousand, twelve".

Divisors: 1 2 4 11 22 41 44 82 164 451 902 1804 79903 159806 319612 878933 1757866 3276023 3515732 6552046 13104092 36036253 72072506 144145012