445723955 has 4 divisors (see below), whose sum is σ = 534868752. Its totient is φ = 356579160.

The previous prime is 445723919. The next prime is 445723961. The reversal of 445723955 is 559327544.

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

It is not a de Polignac number, because 445723955 - 2⁶ = 445723891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44572391 + ... + 44572400.

It is an arithmetic number, because the mean of its divisors is an integer number (133717188).

Almost surely, 2^445723955 is an apocalyptic number.

445723955 is a deficient number, since it is larger than the sum of its proper divisors (89144797).

445723955 is an equidigital number, since it uses as much as digits as its factorization.

445723955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89144796.

The product of its digits is 756000, while the sum is 44.

The square root of 445723955 is about 21112.1755155645. The cubic root of 445723955 is about 763.8744636943.

The spelling of 445723955 in words is "four hundred forty-five million, seven hundred twenty-three thousand, nine hundred fifty-five".