157926090 has 128 divisors (see below), whose sum is σ = 473776128. Its totient is φ = 32855040.

The previous prime is 157926077. The next prime is 157926113. The reversal of 157926090 is 90629751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109957 + ... + 111383.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^157926090 is an apocalyptic number.

157926090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157926090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236888064).

157926090 is an abundant number, since it is smaller than the sum of its proper divisors (315850038).

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

157926090 is a wasteful number, since it uses less digits than its factorization.

157926090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 157926090 is about 12566.8647641327. The cubic root of 157926090 is about 540.5277077307.

The spelling of 157926090 in words is "one hundred fifty-seven million, nine hundred twenty-six thousand, ninety".