454521155 has 16 divisors (see below), whose sum is σ = 596256768. Its totient is φ = 329868000.

The previous prime is 454521149. The next prime is 454521157. The reversal of 454521155 is 551125454.

It is not a de Polignac number, because 454521155 - 2¹⁶ = 454455619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454521157) 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, 18590 + ... + 35420.

It is an arithmetic number, because the mean of its divisors is an integer number (37266048).

Almost surely, 2^454521155 is an apocalyptic number.

454521155 is a deficient number, since it is larger than the sum of its proper divisors (141735613).

454521155 is a wasteful number, since it uses less digits than its factorization.

454521155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17338.

The product of its digits is 20000, while the sum is 32.

The square root of 454521155 is about 21319.5017530898. The cubic root of 454521155 is about 768.8672583821.

The spelling of 454521155 in words is "four hundred fifty-four million, five hundred twenty-one thousand, one hundred fifty-five".