445552374 has 8 divisors (see below), whose sum is σ = 891104760. Its totient is φ = 148517456.

The previous prime is 445552319. The next prime is 445552391. The reversal of 445552374 is 473255544.

It is a sphenic number, since it is the product of 3 distinct primes.

445552374 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37129359 + ... + 37129370.

It is an arithmetic number, because the mean of its divisors is an integer number (111388095).

Almost surely, 2^445552374 is an apocalyptic number.

445552374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445552374 is a wasteful number, since it uses less digits than its factorization.

445552374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74258734.

The product of its digits is 336000, while the sum is 39.

The square root of 445552374 is about 21108.1115687785. Note that the first 3 decimals coincide. The cubic root of 445552374 is about 763.7764335388.

The spelling of 445552374 in words is "four hundred forty-five million, five hundred fifty-two thousand, three hundred seventy-four".