454521165 has 16 divisors (see below), whose sum is σ = 831124608. Its totient is φ = 207781056.

The previous prime is 454521157. The next prime is 454521167. The reversal of 454521165 is 561125454.

It is not a de Polignac number, because 454521165 - 2³ = 454521157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454521167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2164282 + ... + 2164491.

It is an arithmetic number, because the mean of its divisors is an integer number (51945288).

Almost surely, 2^454521165 is an apocalyptic number.

It is an amenable number.

454521165 is a deficient number, since it is larger than the sum of its proper divisors (376603443).

454521165 is a wasteful number, since it uses less digits than its factorization.

454521165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328788.

The product of its digits is 24000, while the sum is 33.

The square root of 454521165 is about 21319.5019876169. The cubic root of 454521165 is about 768.8672640207.

The spelling of 454521165 in words is "four hundred fifty-four million, five hundred twenty-one thousand, one hundred sixty-five".