157395794 has 4 divisors (see below), whose sum is σ = 236093694. Its totient is φ = 78697896.

The previous prime is 157395793. The next prime is 157395803. The reversal of 157395794 is 497593751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497593751 = 3049 ⋅163199.

It can be written as a sum of positive squares in only one way, i.e., 157377025 + 18769 = 12545^2 + 137^2 .

It is not an unprimeable number, because it can be changed into a prime (157395793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39348947 + ... + 39348950.

Almost surely, 2^157395794 is an apocalyptic number.

157395794 is a deficient number, since it is larger than the sum of its proper divisors (78697900).

157395794 is an equidigital number, since it uses as much as digits as its factorization.

157395794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78697899.

The product of its digits is 1190700, while the sum is 50.

The square root of 157395794 is about 12545.7480446564. The cubic root of 157395794 is about 539.9220212046.

The spelling of 157395794 in words is "one hundred fifty-seven million, three hundred ninety-five thousand, seven hundred ninety-four".