453431532 has 12 divisors (see below), whose sum is σ = 1058006936. Its totient is φ = 151143840.

The previous prime is 453431507. The next prime is 453431533. The reversal of 453431532 is 235134354.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 453431532.

It is not an unprimeable number, because it can be changed into a prime (453431533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18892969 + ... + 18892992.

Almost surely, 2^453431532 is an apocalyptic number.

It is an amenable number.

453431532 is an abundant number, since it is smaller than the sum of its proper divisors (604575404).

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

453431532 is a wasteful number, since it uses less digits than its factorization.

453431532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37785968 (or 37785966 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 453431532 is about 21293.9318116688. The cubic root of 453431532 is about 768.2523652515.

Adding to 453431532 its reverse (235134354), we get a palindrome (688565886).

It can be divided in two parts, 453 and 431532, that added together give a triangular number (431985 = T₉₂₉).

The spelling of 453431532 in words is "four hundred fifty-three million, four hundred thirty-one thousand, five hundred thirty-two".