157400881 has 4 divisors (see below), whose sum is σ = 171710064. Its totient is φ = 143091700.

The previous prime is 157400869. The next prime is 157400897. The reversal of 157400881 is 188004751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157400881 - 2¹³ = 157392689 is a prime.

It is a super-2 number, since 2×157400881² = 49550074679152322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157400281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7154575 + ... + 7154596.

It is an arithmetic number, because the mean of its divisors is an integer number (42927516).

Almost surely, 2^157400881 is an apocalyptic number.

157400881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157400881 is a deficient number, since it is larger than the sum of its proper divisors (14309183).

157400881 is a wasteful number, since it uses less digits than its factorization.

157400881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14309182.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 157400881 is about 12545.9507810289. The cubic root of 157400881 is about 539.9278378651.

The spelling of 157400881 in words is "one hundred fifty-seven million, four hundred thousand, eight hundred eighty-one".