44657145 has 48 divisors (see below), whose sum is σ = 87010560. Its totient is φ = 21022848.

The previous prime is 44657131. The next prime is 44657149. The reversal of 44657145 is 54175644.

44657145 is a `hidden beast` number, since 4 + 46 + 571 + 45 = 666.

It is not a de Polignac number, because 44657145 - 2⁷ = 44657017 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44657149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11796 + ... + 15114.

It is an arithmetic number, because the mean of its divisors is an integer number (1812720).

Almost surely, 2^44657145 is an apocalyptic number.

44657145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44657145 is a deficient number, since it is larger than the sum of its proper divisors (42353415).

44657145 is a wasteful number, since it uses less digits than its factorization.

44657145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3363 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 44657145 is about 6682.6001675994. The cubic root of 44657145 is about 354.7836941895.

The spelling of 44657145 in words is "forty-four million, six hundred fifty-seven thousand, one hundred forty-five".