157144752 has 40 divisors (see below), whose sum is σ = 451064880. Its totient is φ = 52381440.

The previous prime is 157144727. The next prime is 157144777. The reversal of 157144752 is 257441751.

It is an interprime number because it is at equal distance from previous prime (157144727) and next prime (157144777).

It is a super-2 number, since 2×157144752² = 49388946162283008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 181449 + ... + 182312.

It is an arithmetic number, because the mean of its divisors is an integer number (11276622).

Almost surely, 2^157144752 is an apocalyptic number.

157144752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157144752 is an abundant number, since it is smaller than the sum of its proper divisors (293920128).

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

157144752 is a wasteful number, since it uses less digits than its factorization.

157144752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363778 (or 363766 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 157144752 is about 12535.7389889866. The cubic root of 157144752 is about 539.6348148207.

The spelling of 157144752 in words is "one hundred fifty-seven million, one hundred forty-four thousand, seven hundred fifty-two".