445607634 has 16 divisors (see below), whose sum is σ = 892869120. Its totient is φ = 148260240.

The previous prime is 445607629. The next prime is 445607647. The reversal of 445607634 is 436706544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445607592 and 445607601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65394 + ... + 71885.

It is an arithmetic number, because the mean of its divisors is an integer number (55804320).

Almost surely, 2^445607634 is an apocalyptic number.

445607634 is an abundant number, since it is smaller than the sum of its proper divisors (447261486).

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

445607634 is a wasteful number, since it uses less digits than its factorization.

445607634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137825.

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 445607634 is about 21109.4205036519. The cubic root of 445607634 is about 763.8080082338.

The spelling of 445607634 in words is "four hundred forty-five million, six hundred seven thousand, six hundred thirty-four".