45452253 has 24 divisors (see below), whose sum is σ = 76908960. Its totient is φ = 23610720.

The previous prime is 45452221. The next prime is 45452257. The reversal of 45452253 is 35225454.

It is not a de Polignac number, because 45452253 - 2⁵ = 45452221 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 45452253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12438 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (3204540).

Almost surely, 2^45452253 is an apocalyptic number.

It is an amenable number.

45452253 is a deficient number, since it is larger than the sum of its proper divisors (31456707).

45452253 is a wasteful number, since it uses less digits than its factorization.

45452253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28137 (or 28130 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 45452253 is about 6741.8286095094. The cubic root of 45452253 is about 356.8769279731.

The spelling of 45452253 in words is "forty-five million, four hundred fifty-two thousand, two hundred fifty-three".