445472415 has 24 divisors (see below), whose sum is σ = 793024128. Its totient is φ = 231163200.

The previous prime is 445472359. The next prime is 445472453. The reversal of 445472415 is 514274544.

It is not a de Polignac number, because 445472415 - 2⁹ = 445471903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445472415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132111 + ... + 135440.

It is an arithmetic number, because the mean of its divisors is an integer number (33042672).

Almost surely, 2^445472415 is an apocalyptic number.

445472415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

445472415 is a deficient number, since it is larger than the sum of its proper divisors (347551713).

445472415 is a wasteful number, since it uses less digits than its factorization.

445472415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267599 (or 267596 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 445472415 is about 21106.2174488941. The cubic root of 445472415 is about 763.7307416014.

The spelling of 445472415 in words is "four hundred forty-five million, four hundred seventy-two thousand, four hundred fifteen".