44920745 has 4 divisors (see below), whose sum is σ = 53904900. Its totient is φ = 35936592.

The previous prime is 44920727. The next prime is 44920747. The reversal of 44920745 is 54702944.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5331481 + 39589264 = 2309^2 + 6292^2 .

It is a cyclic number.

It is not a de Polignac number, because 44920745 - 2⁸ = 44920489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44920747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4492070 + ... + 4492079.

It is an arithmetic number, because the mean of its divisors is an integer number (13476225).

Almost surely, 2^44920745 is an apocalyptic number.

It is an amenable number.

44920745 is a deficient number, since it is larger than the sum of its proper divisors (8984155).

44920745 is an equidigital number, since it uses as much as digits as its factorization.

44920745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984154.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 44920745 is about 6702.2940102625. The cubic root of 44920745 is about 355.4803917541.

The spelling of 44920745 in words is "forty-four million, nine hundred twenty thousand, seven hundred forty-five".