445421532 has 24 divisors (see below), whose sum is σ = 1040951296. Its totient is φ = 148240368.

The previous prime is 445421521. The next prime is 445421533. The reversal of 445421532 is 235124544.

It is a self number, because there is not a number n which added to its sum of digits gives 445421532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445421533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21148 + ... + 36579.

Almost surely, 2^445421532 is an apocalyptic number.

It is an amenable number.

445421532 is an abundant number, since it is smaller than the sum of its proper divisors (595529764).

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

445421532 is a wasteful number, since it uses less digits than its factorization.

445421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58377 (or 58375 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 445421532 is about 21105.0120113683. The cubic root of 445421532 is about 763.7016620672.

The spelling of 445421532 in words is "four hundred forty-five million, four hundred twenty-one thousand, five hundred thirty-two".