157906452 has 36 divisors (see below), whose sum is σ = 404992448. Its totient is φ = 47850000.

The previous prime is 157906439. The next prime is 157906493. The reversal of 157906452 is 254609751.

It is a self number, because there is not a number n which added to its sum of digits gives 157906452.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 52924 + ... + 55827.

Almost surely, 2^157906452 is an apocalyptic number.

157906452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157906452 is an abundant number, since it is smaller than the sum of its proper divisors (247085996).

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

157906452 is a wasteful number, since it uses less digits than its factorization.

157906452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108780 (or 108767 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 157906452 is about 12566.0833993731. The cubic root of 157906452 is about 540.5053020532.

It can be divided in two parts, 157 and 906452, that added together give a palindrome (906609).

The spelling of 157906452 in words is "one hundred fifty-seven million, nine hundred six thousand, four hundred fifty-two".