453540249 has 16 divisors (see below), whose sum is σ = 672416640. Its totient is φ = 302132880.

The previous prime is 453540233. The next prime is 453540253. The reversal of 453540249 is 942045354.

It is a happy number.

It is not a de Polignac number, because 453540249 - 2⁴ = 453540233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (453540449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35239 + ... + 46355.

It is an arithmetic number, because the mean of its divisors is an integer number (42026040).

Almost surely, 2^453540249 is an apocalyptic number.

It is an amenable number.

453540249 is a deficient number, since it is larger than the sum of its proper divisors (218876391).

453540249 is a wasteful number, since it uses less digits than its factorization.

453540249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12637 (or 12631 counting only the distinct ones).

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

The square root of 453540249 is about 21296.4844281867. The cubic root of 453540249 is about 768.3137603480.

The spelling of 453540249 in words is "four hundred fifty-three million, five hundred forty thousand, two hundred forty-nine".