45175253 has 4 divisors (see below), whose sum is σ = 45575148. Its totient is φ = 44775360.

The previous prime is 45175181. The next prime is 45175259. The reversal of 45175253 is 35257154.

45175253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13557124 + 31618129 = 3682^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 45175253 - 2²² = 40980949 is a prime.

It is a super-2 number, since 2×45175253² = 4081606967228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45175259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199778 + ... + 200003.

It is an arithmetic number, because the mean of its divisors is an integer number (11393787).

Almost surely, 2^45175253 is an apocalyptic number.

It is an amenable number.

45175253 is a deficient number, since it is larger than the sum of its proper divisors (399895).

45175253 is a wasteful number, since it uses less digits than its factorization.

45175253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399894.

The product of its digits is 21000, while the sum is 32.

The square root of 45175253 is about 6721.2538264821. The cubic root of 45175253 is about 356.1504776683.

The spelling of 45175253 in words is "forty-five million, one hundred seventy-five thousand, two hundred fifty-three".