44121153 has 16 divisors (see below), whose sum is σ = 63369216. Its totient is φ = 27226320.

The previous prime is 44121149. The next prime is 44121163. The reversal of 44121153 is 35112144.

It is not a de Polignac number, because 44121153 - 2² = 44121149 is a prime.

It is a super-2 number, since 2×44121153² = 3893352284098818, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44121163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8175 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (3960576).

Almost surely, 2^44121153 is an apocalyptic number.

It is an amenable number.

44121153 is a deficient number, since it is larger than the sum of its proper divisors (19248063).

44121153 is a wasteful number, since it uses less digits than its factorization.

44121153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20684.

The product of its digits is 480, while the sum is 21.

The square root of 44121153 is about 6642.3755539716. The cubic root of 44121153 is about 353.3585610522.

Adding to 44121153 its reverse (35112144), we get a palindrome (79233297).

Subtracting from 44121153 its reverse (35112144), we obtain a palindrome (9009009).

It can be divided in two parts, 4412 and 1153, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 44121153 in words is "forty-four million, one hundred twenty-one thousand, one hundred fifty-three".