165945054 has 32 divisors (see below), whose sum is σ = 366436224. Its totient is φ = 49678880.

The previous prime is 165945029. The next prime is 165945097. The reversal of 165945054 is 450549561.

165945054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 9669 + ... + 20624.

It is an arithmetic number, because the mean of its divisors is an integer number (11451132).

Almost surely, 2^165945054 is an apocalyptic number.

165945054 is an abundant number, since it is smaller than the sum of its proper divisors (200491170).

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

165945054 is a wasteful number, since it uses less digits than its factorization.

165945054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30392.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 165945054 is about 12881.9662319073. The cubic root of 165945054 is about 549.5258216112.

The spelling of 165945054 in words is "one hundred sixty-five million, nine hundred forty-five thousand, fifty-four".