157793812 has 12 divisors (see below), whose sum is σ = 301242816. Its totient is φ = 71724440.

The previous prime is 157793771. The next prime is 157793821. The reversal of 157793812 is 218397751.

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, 1793068 + ... + 1793155.

It is an arithmetic number, because the mean of its divisors is an integer number (25103568).

Almost surely, 2^157793812 is an apocalyptic number.

It is an amenable number.

157793812 is a deficient number, since it is larger than the sum of its proper divisors (143449004).

157793812 is a wasteful number, since it uses less digits than its factorization.

157793812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586238 (or 3586236 counting only the distinct ones).

The product of its digits is 105840, while the sum is 43.

The square root of 157793812 is about 12561.6006941791. The cubic root of 157793812 is about 540.3767512589.

It can be divided in two parts, 15779 and 3812, that added together give a palindrome (19591).

The spelling of 157793812 in words is "one hundred fifty-seven million, seven hundred ninety-three thousand, eight hundred twelve".