165142046 has 16 divisors (see below), whose sum is σ = 263452176. Its totient is φ = 77367936.

The previous prime is 165142039. The next prime is 165142057. The reversal of 165142046 is 640241561.

It is a super-2 number, since 2×165142046² = 54543790714132232, which contains 22 as substring.

It is a congruent number.

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, 2981 + ... + 18416.

It is an arithmetic number, because the mean of its divisors is an integer number (16465761).

Almost surely, 2^165142046 is an apocalyptic number.

165142046 is a deficient number, since it is larger than the sum of its proper divisors (98310130).

165142046 is a wasteful number, since it uses less digits than its factorization.

165142046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21643.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 165142046 is about 12850.7605222415. The cubic root of 165142046 is about 548.6380029944.

The spelling of 165142046 in words is "one hundred sixty-five million, one hundred forty-two thousand, forty-six".