157146638 has 16 divisors (see below), whose sum is σ = 258792624. Its totient is φ = 70973760.

The previous prime is 157146637. The next prime is 157146653. The reversal of 157146638 is 836641751.

It is a super-3 number, since 3×157146638³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157146595 and 157146604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157146637) 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, 19295 + ... + 26202.

It is an arithmetic number, because the mean of its divisors is an integer number (16174539).

Almost surely, 2^157146638 is an apocalyptic number.

157146638 is a deficient number, since it is larger than the sum of its proper divisors (101645986).

157146638 is a wasteful number, since it uses less digits than its factorization.

157146638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45667.

The product of its digits is 120960, while the sum is 41.

The square root of 157146638 is about 12535.8142136839. The cubic root of 157146638 is about 539.6369736523.

The spelling of 157146638 in words is "one hundred fifty-seven million, one hundred forty-six thousand, six hundred thirty-eight".