44253135 has 20 divisors (see below), whose sum is σ = 79328568. Its totient is φ = 23601456.

The previous prime is 44253113. The next prime is 44253137. The reversal of 44253135 is 53135244.

44253135 = 2973² + 2974² + ... + 2977².

It is not a de Polignac number, because 44253135 - 2⁷ = 44253007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 44253099 and 44253108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44253137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54229 + ... + 55038.

Almost surely, 2^44253135 is an apocalyptic number.

44253135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44253135 is a deficient number, since it is larger than the sum of its proper divisors (35075433).

44253135 is a wasteful number, since it uses less digits than its factorization.

44253135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109284 (or 109275 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 44253135 is about 6652.3029846813. The cubic root of 44253135 is about 353.7105505252.

Adding to 44253135 its reverse (53135244), we get a palindrome (97388379).

The spelling of 44253135 in words is "forty-four million, two hundred fifty-three thousand, one hundred thirty-five".