157046638 has 8 divisors (see below), whose sum is σ = 269222832. Its totient is φ = 67305696.

The previous prime is 157046623. The next prime is 157046639. The reversal of 157046638 is 836640751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157046638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157046639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5608795 + ... + 5608822.

It is an arithmetic number, because the mean of its divisors is an integer number (33652854).

Almost surely, 2^157046638 is an apocalyptic number.

157046638 is a deficient number, since it is larger than the sum of its proper divisors (112176194).

157046638 is a wasteful number, since it uses less digits than its factorization.

157046638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217626.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 157046638 is about 12531.8250067578. The cubic root of 157046638 is about 539.5224836688.

The spelling of 157046638 in words is "one hundred fifty-seven million, forty-six thousand, six hundred thirty-eight".