1455231232 has 72 divisors (see below), whose sum is σ = 3575168576. Its totient is φ = 575686656.

The previous prime is 1455231221. The next prime is 1455231251. The reversal of 1455231232 is 2321325541.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1455231232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7938 + ... + 54529.

Almost surely, 2^1455231232 is an apocalyptic number.

It is an amenable number.

1455231232 is an abundant number, since it is smaller than the sum of its proper divisors (2119937344).

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

1455231232 is an equidigital number, since it uses as much as digits as its factorization.

1455231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62503 (or 62489 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1455231232 is about 38147.4931286448. The cubic root of 1455231232 is about 1133.2107063016.

Adding to 1455231232 its reverse (2321325541), we get a palindrome (3776556773).

The spelling of 1455231232 in words is "one billion, four hundred fifty-five million, two hundred thirty-one thousand, two hundred thirty-two".