445163136 has 64 divisors (see below), whose sum is σ = 1289973600. Its totient is φ = 134896640.

The previous prime is 445163107. The next prime is 445163149. The reversal of 445163136 is 631361544.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 445163097 and 445163106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48471 + ... + 56918.

Almost surely, 2^445163136 is an apocalyptic number.

It is an amenable number.

445163136 is an abundant number, since it is smaller than the sum of its proper divisors (844810464).

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

445163136 is a wasteful number, since it uses less digits than its factorization.

445163136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105417 (or 105405 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 445163136 is about 21098.8894494473. The cubic root of 445163136 is about 763.5539550733.

The spelling of 445163136 in words is "four hundred forty-five million, one hundred sixty-three thousand, one hundred thirty-six".