157153278 has 16 divisors (see below), whose sum is σ = 318286080. Its totient is φ = 51721176.

The previous prime is 157153223. The next prime is 157153301. The reversal of 157153278 is 872351751.

It is a super-2 number, since 2×157153278² = 49394305572290568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165300 + ... + 166247.

It is an arithmetic number, because the mean of its divisors is an integer number (19892880).

Almost surely, 2^157153278 is an apocalyptic number.

157153278 is an abundant number, since it is smaller than the sum of its proper divisors (161132802).

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

157153278 is a wasteful number, since it uses less digits than its factorization.

157153278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331631.

The product of its digits is 58800, while the sum is 39.

The square root of 157153278 is about 12536.0790520800. The cubic root of 157153278 is about 539.6445740674.

The spelling of 157153278 in words is "one hundred fifty-seven million, one hundred fifty-three thousand, two hundred seventy-eight".