45494253 has 24 divisors (see below), whose sum is σ = 78369408. Its totient is φ = 24865632.

The previous prime is 45494249. The next prime is 45494269. The reversal of 45494253 is 35249454.

It is a happy number.

It is not a de Polignac number, because 45494253 - 2² = 45494249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45499253) 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 23 ways as a sum of consecutive naturals, for example, 14250 + ... + 17147.

It is an arithmetic number, because the mean of its divisors is an integer number (3265392).

Almost surely, 2^45494253 is an apocalyptic number.

It is an amenable number.

45494253 is a deficient number, since it is larger than the sum of its proper divisors (32875155).

45494253 is a wasteful number, since it uses less digits than its factorization.

45494253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31433 (or 31430 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 45494253 is about 6744.9427721812. The cubic root of 45494253 is about 356.9868177700.

The spelling of 45494253 in words is "forty-five million, four hundred ninety-four thousand, two hundred fifty-three".