44045489 has 4 divisors (see below), whose sum is σ = 44665920. Its totient is φ = 43425060.

The previous prime is 44045473. The next prime is 44045497. The reversal of 44045489 is 98454044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44045489 - 2⁴ = 44045473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44045689) 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, 310109 + ... + 310250.

It is an arithmetic number, because the mean of its divisors is an integer number (11166480).

Almost surely, 2^44045489 is an apocalyptic number.

It is an amenable number.

44045489 is a deficient number, since it is larger than the sum of its proper divisors (620431).

44045489 is an equidigital number, since it uses as much as digits as its factorization.

44045489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620430.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 44045489 is about 6636.6775573324. The cubic root of 44045489 is about 353.1564522485.

The spelling of 44045489 in words is "forty-four million, forty-five thousand, four hundred eighty-nine".