445054545 has 48 divisors (see below), whose sum is σ = 835161600. Its totient is φ = 217945728.

The previous prime is 445054517. The next prime is 445054559. The reversal of 445054545 is 545450544.

It is not a de Polignac number, because 445054545 - 2⁵ = 445054513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114504 + ... + 118326.

It is an arithmetic number, because the mean of its divisors is an integer number (17399200).

Almost surely, 2^445054545 is an apocalyptic number.

445054545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445054545 is a deficient number, since it is larger than the sum of its proper divisors (390107055).

445054545 is a wasteful number, since it uses less digits than its factorization.

445054545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 445054545 is about 21096.3159106039. The cubic root of 445054545 is about 763.4918641051.

The spelling of 445054545 in words is "four hundred forty-five million, fifty-four thousand, five hundred forty-five".