45115253 has 12 divisors (see below), whose sum is σ = 48646080. Its totient is φ = 41815656.

The previous prime is 45115219. The next prime is 45115277. The reversal of 45115253 is 35251154.

It is not a de Polignac number, because 45115253 - 2¹⁰ = 45114229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45115753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15638 + ... + 18296.

It is an arithmetic number, because the mean of its divisors is an integer number (4053840).

Almost surely, 2^45115253 is an apocalyptic number.

It is an amenable number.

45115253 is a deficient number, since it is larger than the sum of its proper divisors (3530827).

45115253 is a wasteful number, since it uses less digits than its factorization.

45115253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744 (or 2725 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 45115253 is about 6716.7888905339. The cubic root of 45115253 is about 355.9927327768.

The spelling of 45115253 in words is "forty-five million, one hundred fifteen thousand, two hundred fifty-three".