445463236 has 27 divisors (see below), whose sum is σ = 797157543. Its totient is φ = 217813920.

The previous prime is 445463219. The next prime is 445463261. The reversal of 445463236 is 632364544.

It is a happy number.

The square root of 445463236 is 21106.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6812100 + 438651136 = 2610^2 + 20944^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445463195 and 445463204.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2574846 + ... + 2575018.

Almost surely, 2^445463236 is an apocalyptic number.

445463236 is the 21106-th square number.

It is an amenable number.

445463236 is a deficient number, since it is larger than the sum of its proper divisors (351694307).

445463236 is an equidigital number, since it uses as much as digits as its factorization.

445463236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 236 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

The cubic root of 445463236 is about 763.7254959847.

The spelling of 445463236 in words is "four hundred forty-five million, four hundred sixty-three thousand, two hundred thirty-six".