157743916 has 24 divisors (see below), whose sum is σ = 303181200. Its totient is φ = 71217600.

The previous prime is 157743893. The next prime is 157743973. The reversal of 157743916 is 619347751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5475 + ... + 18586.

It is an arithmetic number, because the mean of its divisors is an integer number (12632550).

Almost surely, 2^157743916 is an apocalyptic number.

It is an amenable number.

157743916 is a deficient number, since it is larger than the sum of its proper divisors (145437284).

157743916 is a wasteful number, since it uses less digits than its factorization.

157743916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24225 (or 24223 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 157743916 is about 12559.6144845294. The cubic root of 157743916 is about 540.3197877221.

The spelling of 157743916 in words is "one hundred fifty-seven million, seven hundred forty-three thousand, nine hundred sixteen".