145145165 has 16 divisors (see below), whose sum is σ = 194054400. Its totient is φ = 103312320.

The previous prime is 145145159. The next prime is 145145213. The reversal of 145145165 is 561541541.

It is not a de Polignac number, because 145145165 - 2⁶ = 145145101 is a prime.

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, 25490 + ... + 30659.

It is an arithmetic number, because the mean of its divisors is an integer number (12128400).

Almost surely, 2^145145165 is an apocalyptic number.

It is an amenable number.

145145165 is a deficient number, since it is larger than the sum of its proper divisors (48909235).

145145165 is a wasteful number, since it uses less digits than its factorization.

145145165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56212.

The product of its digits is 12000, while the sum is 32.

The square root of 145145165 is about 12047.6207194616. The cubic root of 145145165 is about 525.5340476455.

The spelling of 145145165 in words is "one hundred forty-five million, one hundred forty-five thousand, one hundred sixty-five".