157429478 has 16 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 74494152.

The previous prime is 157429427. The next prime is 157429543. The reversal of 157429478 is 874924751.

157429478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 53243 + ... + 56121.

It is an arithmetic number, because the mean of its divisors is an integer number (15552000).

Almost surely, 2^157429478 is an apocalyptic number.

157429478 is a deficient number, since it is larger than the sum of its proper divisors (91402522).

157429478 is a wasteful number, since it uses less digits than its factorization.

157429478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339.

The product of its digits is 564480, while the sum is 47.

The square root of 157429478 is about 12547.0904196949. The cubic root of 157429478 is about 539.9605343814.

The spelling of 157429478 in words is "one hundred fifty-seven million, four hundred twenty-nine thousand, four hundred seventy-eight".