445325523 has 8 divisors (see below), whose sum is σ = 628694928. Its totient is φ = 279419904.

The previous prime is 445325521. The next prime is 445325533. The reversal of 445325523 is 325523544.

It is a happy number.

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

It is not a de Polignac number, because 445325523 - 2¹ = 445325521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445325521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365886 + ... + 4365987.

It is an arithmetic number, because the mean of its divisors is an integer number (78586866).

Almost surely, 2^445325523 is an apocalyptic number.

445325523 is a deficient number, since it is larger than the sum of its proper divisors (183369405).

445325523 is a wasteful number, since it uses less digits than its factorization.

445325523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731893.

The product of its digits is 72000, while the sum is 33.

The square root of 445325523 is about 21102.7373342891. The cubic root of 445325523 is about 763.6467870807.

The spelling of 445325523 in words is "four hundred forty-five million, three hundred twenty-five thousand, five hundred twenty-three".