454021152 has 48 divisors (see below), whose sum is σ = 1283486400. Its totient is φ = 139698432.

The previous prime is 454021123. The next prime is 454021153. The reversal of 454021152 is 251120454.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×454021152² = 412270412926814208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (454021153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180652 + ... + 183147.

It is an arithmetic number, because the mean of its divisors is an integer number (26739300).

Almost surely, 2^454021152 is an apocalyptic number.

It is an amenable number.

454021152 is an abundant number, since it is smaller than the sum of its proper divisors (829465248).

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

454021152 is a wasteful number, since it uses less digits than its factorization.

454021152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363825 (or 363817 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 454021152 is about 21307.7721031552. The cubic root of 454021152 is about 768.5852201784.

The spelling of 454021152 in words is "four hundred fifty-four million, twenty-one thousand, one hundred fifty-two".