445570113 has 4 divisors (see below), whose sum is σ = 594093488. Its totient is φ = 297046740.

The previous prime is 445570067. The next prime is 445570127. The reversal of 445570113 is 311075544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 445570113 - 2⁶ = 445570049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445570163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74261683 + ... + 74261688.

It is an arithmetic number, because the mean of its divisors is an integer number (148523372).

Almost surely, 2^445570113 is an apocalyptic number.

It is an amenable number.

445570113 is a deficient number, since it is larger than the sum of its proper divisors (148523375).

445570113 is a wasteful number, since it uses less digits than its factorization.

445570113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148523374.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 445570113 is about 21108.5317585094. The cubic root of 445570113 is about 763.7865696089.

The spelling of 445570113 in words is "four hundred forty-five million, five hundred seventy thousand, one hundred thirteen".