454545732 has 12 divisors (see below), whose sum is σ = 1060606736. Its totient is φ = 151515240.

The previous prime is 454545731. The next prime is 454545743. The reversal of 454545732 is 237545454.

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

It is a super-2 number, since 2×454545732² = 413223644958831648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454545731) 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, 18939394 + ... + 18939417.

Almost surely, 2^454545732 is an apocalyptic number.

It is an amenable number.

454545732 is an abundant number, since it is smaller than the sum of its proper divisors (606061004).

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

454545732 is a wasteful number, since it uses less digits than its factorization.

454545732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37878818 (or 37878816 counting only the distinct ones).

The product of its digits is 336000, while the sum is 39.

The square root of 454545732 is about 21320.0781424459. The cubic root of 454545732 is about 768.8811162702.

The spelling of 454545732 in words is "four hundred fifty-four million, five hundred forty-five thousand, seven hundred thirty-two".