157552881 has 16 divisors (see below), whose sum is σ = 217374720. Its totient is φ = 101399760.

The previous prime is 157552861. The next prime is 157552897. The reversal of 157552881 is 188255751.

It is not a de Polignac number, because 157552881 - 2¹⁹ = 157028593 is a prime.

It is a super-2 number, since 2×157552881² = 49645820622800322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157552831) 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 15 ways as a sum of consecutive naturals, for example, 41230 + ... + 44888.

It is an arithmetic number, because the mean of its divisors is an integer number (13585920).

Almost surely, 2^157552881 is an apocalyptic number.

It is an amenable number.

157552881 is a deficient number, since it is larger than the sum of its proper divisors (59821839).

157552881 is a wasteful number, since it uses less digits than its factorization.

157552881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156.

The product of its digits is 112000, while the sum is 42.

The square root of 157552881 is about 12552.0070506672. The cubic root of 157552881 is about 540.1015823985.

The spelling of 157552881 in words is "one hundred fifty-seven million, five hundred fifty-two thousand, eight hundred eighty-one".