157374538 has 8 divisors (see below), whose sum is σ = 243676800. Its totient is φ = 76148940.

The previous prime is 157374521. The next prime is 157374541. The reversal of 157374538 is 835473751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157374494 and 157374503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269088 + ... + 1269211.

It is an arithmetic number, because the mean of its divisors is an integer number (30459600).

Almost surely, 2^157374538 is an apocalyptic number.

157374538 is a deficient number, since it is larger than the sum of its proper divisors (86302262).

157374538 is a wasteful number, since it uses less digits than its factorization.

157374538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538332.

The product of its digits is 352800, while the sum is 43.

The square root of 157374538 is about 12544.9008764518. The cubic root of 157374538 is about 539.8977149660.

The spelling of 157374538 in words is "one hundred fifty-seven million, three hundred seventy-four thousand, five hundred thirty-eight".