157431282 has 16 divisors (see below), whose sum is σ = 319298112. Its totient is φ = 51737840.

The previous prime is 157431259. The next prime is 157431311. The reversal of 157431282 is 282134751.

157431282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 184353 + ... + 185204.

It is an arithmetic number, because the mean of its divisors is an integer number (19956132).

Almost surely, 2^157431282 is an apocalyptic number.

157431282 is an abundant number, since it is smaller than the sum of its proper divisors (161866830).

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

157431282 is a wasteful number, since it uses less digits than its factorization.

157431282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369633.

The product of its digits is 13440, while the sum is 33.

The square root of 157431282 is about 12547.1623086657. The cubic root of 157431282 is about 539.9625968606.

The spelling of 157431282 in words is "one hundred fifty-seven million, four hundred thirty-one thousand, two hundred eighty-two".