455165520 has 80 divisors (see below), whose sum is σ = 1485291840. Its totient is φ = 114988032.

The previous prime is 455165519. The next prime is 455165521. The reversal of 455165520 is 25561554.

It is an interprime number because it is at equal distance from previous prime (455165519) and next prime (455165521).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455165521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45349 + ... + 54468.

It is an arithmetic number, because the mean of its divisors is an integer number (18566148).

Almost surely, 2^455165520 is an apocalyptic number.

455165520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455165520 is an abundant number, since it is smaller than the sum of its proper divisors (1030126320).

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

455165520 is a wasteful number, since it uses less digits than its factorization.

455165520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99852 (or 99846 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 455165520 is about 21334.6085035559. The cubic root of 455165520 is about 769.2304224204.

The spelling of 455165520 in words is "four hundred fifty-five million, one hundred sixty-five thousand, five hundred twenty".