165057142 has 12 divisors (see below), whose sum is σ = 261303516. Its totient is φ = 78184620.

The previous prime is 165057133. The next prime is 165057163. The reversal of 165057142 is 241750561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113584 + ... + 115027.

It is an arithmetic number, because the mean of its divisors is an integer number (21775293).

Almost surely, 2^165057142 is an apocalyptic number.

165057142 is a deficient number, since it is larger than the sum of its proper divisors (96246374).

165057142 is a wasteful number, since it uses less digits than its factorization.

165057142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228651 (or 228632 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 165057142 is about 12847.4566354590. The cubic root of 165057142 is about 548.5439636560.

The spelling of 165057142 in words is "one hundred sixty-five million, fifty-seven thousand, one hundred forty-two".