445254645015 has 24 divisors (see below), whose sum is σ = 796670679168. Its totient is φ = 229808848320.

The previous prime is 445254644987. The next prime is 445254645071. The reversal of 445254645015 is 510546452544.

445254645015 is a `hidden beast` number, since 4 + 4 + 52 + 546 + 4 + 50 + 1 + 5 = 666.

It is not a de Polignac number, because 445254645015 - 2⁸ = 445254644759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 159588084 + ... + 159590873.

It is an arithmetic number, because the mean of its divisors is an integer number (33194611632).

Almost surely, 2^445254645015 is an apocalyptic number.

445254645015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

445254645015 is a deficient number, since it is larger than the sum of its proper divisors (351416034153).

445254645015 is a wasteful number, since it uses less digits than its factorization.

445254645015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319178999 (or 319178996 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 445254645015 in words is "four hundred forty-five billion, two hundred fifty-four million, six hundred forty-five thousand, fifteen".