445402045 has 8 divisors (see below), whose sum is σ = 583071840. Its totient is φ = 323928720.

The previous prime is 445402037. The next prime is 445402051. The reversal of 445402045 is 540204544.

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

It is not a de Polignac number, because 445402045 - 2³ = 445402037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4049055 + ... + 4049164.

It is an arithmetic number, because the mean of its divisors is an integer number (72883980).

Almost surely, 2^445402045 is an apocalyptic number.

It is an amenable number.

445402045 is a deficient number, since it is larger than the sum of its proper divisors (137669795).

445402045 is a wasteful number, since it uses less digits than its factorization.

445402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098235.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 445402045 is about 21104.5503387303. The cubic root of 445402045 is about 763.6905246986.

Adding to 445402045 its reverse (540204544), we get a palindrome (985606589).

The spelling of 445402045 in words is "four hundred forty-five million, four hundred two thousand, forty-five".