157866339 has 4 divisors (see below), whose sum is σ = 210488456. Its totient is φ = 105244224.

The previous prime is 157866337. The next prime is 157866347. The reversal of 157866339 is 933668751.

It is a happy number.

157866339 is digitally balanced in base 2, 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 not a de Polignac number, because 157866339 - 2¹ = 157866337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157866337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26311054 + ... + 26311059.

It is an arithmetic number, because the mean of its divisors is an integer number (52622114).

Almost surely, 2^157866339 is an apocalyptic number.

157866339 is a deficient number, since it is larger than the sum of its proper divisors (52622117).

157866339 is an equidigital number, since it uses as much as digits as its factorization.

157866339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52622116.

The product of its digits is 816480, while the sum is 48.

The square root of 157866339 is about 12564.4872159591. The cubic root of 157866339 is about 540.4595299624.

The spelling of 157866339 in words is "one hundred fifty-seven million, eight hundred sixty-six thousand, three hundred thirty-nine".