455220155 has 16 divisors (see below), whose sum is σ = 589649760. Its totient is φ = 335382528.

The previous prime is 455220149. The next prime is 455220167. The reversal of 455220155 is 551022554.

It is not a de Polignac number, because 455220155 - 2¹⁸ = 454958011 is a prime.

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, 20891 + ... + 36699.

It is an arithmetic number, because the mean of its divisors is an integer number (36853110).

Almost surely, 2^455220155 is an apocalyptic number.

455220155 is a deficient number, since it is larger than the sum of its proper divisors (134429605).

455220155 is a wasteful number, since it uses less digits than its factorization.

455220155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 455220155 is about 21335.8888964111. Note that the first 4 decimals coincide. The cubic root of 455220155 is about 769.2611989334.

The spelling of 455220155 in words is "four hundred fifty-five million, two hundred twenty thousand, one hundred fifty-five".