454861152 has 72 divisors (see below), whose sum is σ = 1300440960. Its totient is φ = 150808320.

The previous prime is 454861063. The next prime is 454861153. The reversal of 454861152 is 251168454.

It is a happy number.

454861152 is a `hidden beast` number, since 4 + 548 + 61 + 1 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454861153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50874 + ... + 59142.

It is an arithmetic number, because the mean of its divisors is an integer number (18061680).

Almost surely, 2^454861152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454861152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650220480).

454861152 is an abundant number, since it is smaller than the sum of its proper divisors (845579808).

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

454861152 is a wasteful number, since it uses less digits than its factorization.

454861152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476 (or 8465 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 454861152 is about 21327.4741120462. The cubic root of 454861152 is about 769.0589233931.

The spelling of 454861152 in words is "four hundred fifty-four million, eight hundred sixty-one thousand, one hundred fifty-two".