45042453 has 16 divisors (see below), whose sum is σ = 67122240. Its totient is φ = 29851632.

The previous prime is 45042451. The next prime is 45042463. The reversal of 45042453 is 35424054.

It is not a de Polignac number, because 45042453 - 2¹ = 45042451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45042451) 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, 151 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (4195140).

Almost surely, 2^45042453 is an apocalyptic number.

It is an amenable number.

45042453 is a deficient number, since it is larger than the sum of its proper divisors (22079787).

45042453 is a wasteful number, since it uses less digits than its factorization.

45042453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825 (or 9819 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45042453 is about 6711.3674463555. The cubic root of 45042453 is about 355.8011477317.

The spelling of 45042453 in words is "forty-five million, forty-two thousand, four hundred fifty-three".