44457845 has 8 divisors (see below), whose sum is σ = 53428920. Its totient is φ = 35513280.

The previous prime is 44457823. The next prime is 44457859. The reversal of 44457845 is 54875444.

It can be written as a sum of positive squares in 4 ways, for example, as 4401604 + 40056241 = 2098^2 + 6329^2 .

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

It is not a de Polignac number, because 44457845 - 2²² = 40263541 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, 2726 + ... + 9815.

It is an arithmetic number, because the mean of its divisors is an integer number (6678615).

Almost surely, 2^44457845 is an apocalyptic number.

It is an amenable number.

44457845 is a deficient number, since it is larger than the sum of its proper divisors (8971075).

44457845 is a wasteful number, since it uses less digits than its factorization.

44457845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255.

The product of its digits is 358400, while the sum is 41.

The square root of 44457845 is about 6667.6716325866. The cubic root of 44457845 is about 354.2551200214.

The spelling of 44457845 in words is "forty-four million, four hundred fifty-seven thousand, eight hundred forty-five".