157357894 has 4 divisors (see below), whose sum is σ = 236036844. Its totient is φ = 78678946.

The previous prime is 157357873. The next prime is 157357903. The reversal of 157357894 is 498753751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498753751 = 61 ⋅8176291.

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, 39339472 + ... + 39339475.

It is an arithmetic number, because the mean of its divisors is an integer number (59009211).

Almost surely, 2^157357894 is an apocalyptic number.

157357894 is a deficient number, since it is larger than the sum of its proper divisors (78678950).

157357894 is an equidigital number, since it uses as much as digits as its factorization.

157357894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78678949.

The product of its digits is 1058400, while the sum is 49.

The square root of 157357894 is about 12544.2374818081. The cubic root of 157357894 is about 539.8786810221.

The spelling of 157357894 in words is "one hundred fifty-seven million, three hundred fifty-seven thousand, eight hundred ninety-four".