445432513 has 8 divisors (see below), whose sum is σ = 465859008. Its totient is φ = 425094384.

The previous prime is 445432469. The next prime is 445432541. The reversal of 445432513 is 315234544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445432513 - 2²⁵ = 411878081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445432213) 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, 11670 + ... + 32047.

It is an arithmetic number, because the mean of its divisors is an integer number (58232376).

Almost surely, 2^445432513 is an apocalyptic number.

It is an amenable number.

445432513 is a deficient number, since it is larger than the sum of its proper divisors (20426495).

445432513 is a wasteful number, since it uses less digits than its factorization.

445432513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44183.

The product of its digits is 28800, while the sum is 31.

The square root of 445432513 is about 21105.2721612397. The cubic root of 445432513 is about 763.7079378744.

The spelling of 445432513 in words is "four hundred forty-five million, four hundred thirty-two thousand, five hundred thirteen".