445374371 has 4 divisors (see below), whose sum is σ = 479633952. Its totient is φ = 411114792.

The previous prime is 445374361. The next prime is 445374401. The reversal of 445374371 is 173473544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445374371 - 2²⁶ = 378265507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445374301) 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, 17129771 + ... + 17129796.

It is an arithmetic number, because the mean of its divisors is an integer number (119908488).

Almost surely, 2^445374371 is an apocalyptic number.

445374371 is a deficient number, since it is larger than the sum of its proper divisors (34259581).

445374371 is a wasteful number, since it uses less digits than its factorization.

445374371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34259580.

The product of its digits is 141120, while the sum is 38.

The square root of 445374371 is about 21103.8946879480. The cubic root of 445374371 is about 763.6747076710.

The spelling of 445374371 in words is "four hundred forty-five million, three hundred seventy-four thousand, three hundred seventy-one".