165134442 has 32 divisors (see below), whose sum is σ = 366208704. Its totient is φ = 49219200.

The previous prime is 165134423. The next prime is 165134461. The reversal of 165134442 is 244431561.

165134442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (165134423) and next prime (165134461).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16483 + ... + 24534.

It is an arithmetic number, because the mean of its divisors is an integer number (11444022).

Almost surely, 2^165134442 is an apocalyptic number.

165134442 is an abundant number, since it is smaller than the sum of its proper divisors (201074262).

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

165134442 is a wasteful number, since it uses less digits than its factorization.

165134442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41094.

The product of its digits is 11520, while the sum is 30.

The square root of 165134442 is about 12850.4646608595. The cubic root of 165134442 is about 548.6295821480.

The spelling of 165134442 in words is "one hundred sixty-five million, one hundred thirty-four thousand, four hundred forty-two".