44045144 has 32 divisors (see below), whose sum is σ = 97025040. Its totient is φ = 18480000.

The previous prime is 44045143. The next prime is 44045149. The reversal of 44045144 is 44154044.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44045143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18107 + ... + 20394.

Almost surely, 2^44045144 is an apocalyptic number.

44045144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44045144 is an abundant number, since it is smaller than the sum of its proper divisors (52979896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44045144 is a wasteful number, since it uses less digits than its factorization.

44045144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38531 (or 38527 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 44045144 is about 6636.6515653604. The cubic root of 44045144 is about 353.1555301768.

Adding to 44045144 its reverse (44154044), we get a palindrome (88199188).

Subtracting 44045144 from its reverse (44154044), we obtain a square (108900 = 330²).

The spelling of 44045144 in words is "forty-four million, forty-five thousand, one hundred forty-four".