454121232 has 80 divisors (see below), whose sum is σ = 1223159808. Its totient is φ = 145019520.

The previous prime is 454121231. The next prime is 454121233. The reversal of 454121232 is 232121454.

It is an interprime number because it is at equal distance from previous prime (454121231) and next prime (454121233).

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (454121231) 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, 151783 + ... + 154745.

Almost surely, 2^454121232 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 454121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611579904).

454121232 is an abundant number, since it is smaller than the sum of its proper divisors (769038576).

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

454121232 is a wasteful number, since it uses less digits than its factorization.

454121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 3102 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 454121232 is about 21310.1204126115. The cubic root of 454121232 is about 768.6416891758.

Adding to 454121232 its reverse (232121454), we get a palindrome (686242686).

The spelling of 454121232 in words is "four hundred fifty-four million, one hundred twenty-one thousand, two hundred thirty-two".