44975145 has 16 divisors (see below), whose sum is σ = 72529920. Its totient is φ = 23796864.

The previous prime is 44975131. The next prime is 44975167. The reversal of 44975145 is 54157944.

It is not a de Polignac number, because 44975145 - 2⁵ = 44975113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9900 + ... + 13709.

It is an arithmetic number, because the mean of its divisors is an integer number (4533120).

Almost surely, 2^44975145 is an apocalyptic number.

It is an amenable number.

44975145 is a deficient number, since it is larger than the sum of its proper divisors (27554775).

44975145 is a wasteful number, since it uses less digits than its factorization.

44975145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23744.

The product of its digits is 100800, while the sum is 39.

The square root of 44975145 is about 6706.3510942986. The cubic root of 44975145 is about 355.6238320307.

The spelling of 44975145 in words is "forty-four million, nine hundred seventy-five thousand, one hundred forty-five".