157689852 has 12 divisors (see below), whose sum is σ = 367943016. Its totient is φ = 52563280.

The previous prime is 157689827. The next prime is 157689881. The reversal of 157689852 is 258986751.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 157689795 and 157689804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6570399 + ... + 6570422.

It is an arithmetic number, because the mean of its divisors is an integer number (30661918).

Almost surely, 2^157689852 is an apocalyptic number.

157689852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157689852 is an abundant number, since it is smaller than the sum of its proper divisors (210253164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157689852 is a wasteful number, since it uses less digits than its factorization.

157689852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13140828 (or 13140826 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 51.

The square root of 157689852 is about 12557.4620047205. The cubic root of 157689852 is about 540.2580522468.

It can be divided in two parts, 15 and 7689852, that added together give a palindrome (7689867).

The spelling of 157689852 in words is "one hundred fifty-seven million, six hundred eighty-nine thousand, eight hundred fifty-two".