157494758 has 4 divisors (see below), whose sum is σ = 236242140. Its totient is φ = 78747378.

The previous prime is 157494709. The next prime is 157494809. The reversal of 157494758 is 857494751.

It is a happy number.

157494758 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39373688 + ... + 39373691.

It is an arithmetic number, because the mean of its divisors is an integer number (59060535).

Almost surely, 2^157494758 is an apocalyptic number.

157494758 is a deficient number, since it is larger than the sum of its proper divisors (78747382).

157494758 is an equidigital number, since it uses as much as digits as its factorization.

157494758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78747381.

The product of its digits is 1411200, while the sum is 50.

The square root of 157494758 is about 12549.6915499944. The cubic root of 157494758 is about 540.0351577475.

The spelling of 157494758 in words is "one hundred fifty-seven million, four hundred ninety-four thousand, seven hundred fifty-eight".