157190478 has 16 divisors (see below), whose sum is σ = 315389136. Its totient is φ = 52228800.

The previous prime is 157190443. The next prime is 157190479. The reversal of 157190478 is 874091751.

157190478 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157190479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39973 + ... + 43728.

It is an arithmetic number, because the mean of its divisors is an integer number (19711821).

Almost surely, 2^157190478 is an apocalyptic number.

157190478 is an abundant number, since it is smaller than the sum of its proper divisors (158198658).

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

157190478 is a wasteful number, since it uses less digits than its factorization.

157190478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84019.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 157190478 is about 12537.5626817974. The cubic root of 157190478 is about 539.6871507472.

The spelling of 157190478 in words is "one hundred fifty-seven million, one hundred ninety thousand, four hundred seventy-eight".