157155144 has 16 divisors (see below), whose sum is σ = 392887920. Its totient is φ = 52385040.

The previous prime is 157155139. The next prime is 157155149. The reversal of 157155144 is 441551751.

It is an interprime number because it is at equal distance from previous prime (157155139) and next prime (157155149).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (157155149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274042 + ... + 3274089.

It is an arithmetic number, because the mean of its divisors is an integer number (24555495).

Almost surely, 2^157155144 is an apocalyptic number.

It is an amenable number.

157155144 is an abundant number, since it is smaller than the sum of its proper divisors (235732776).

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

157155144 is a wasteful number, since it uses less digits than its factorization.

157155144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548140 (or 6548136 counting only the distinct ones).

The product of its digits is 14000, while the sum is 33.

The square root of 157155144 is about 12536.1534770439. The cubic root of 157155144 is about 539.6467099287.

The spelling of 157155144 in words is "one hundred fifty-seven million, one hundred fifty-five thousand, one hundred forty-four".