44561745 has 40 divisors (see below), whose sum is σ = 84099840. Its totient is φ = 22511520.

The previous prime is 44561731. The next prime is 44561753. The reversal of 44561745 is 54716544.

It is not a de Polignac number, because 44561745 - 2⁷ = 44561617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4800 + ... + 10590.

It is an arithmetic number, because the mean of its divisors is an integer number (2102496).

Almost surely, 2^44561745 is an apocalyptic number.

44561745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44561745 is a deficient number, since it is larger than the sum of its proper divisors (39538095).

44561745 is a wasteful number, since it uses less digits than its factorization.

44561745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827 (or 5818 counting only the distinct ones).

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

The square root of 44561745 is about 6675.4584112254. The cubic root of 44561745 is about 354.5308754091.

The spelling of 44561745 in words is "forty-four million, five hundred sixty-one thousand, seven hundred forty-five".