45618273 has 24 divisors (see below), whose sum is σ = 67212288. Its totient is φ = 29810592.

The previous prime is 45618263. The next prime is 45618277. The reversal of 45618273 is 37281654.

It is not a de Polignac number, because 45618273 - 2⁴ = 45618257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45618277) 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, 122115 + ... + 122487.

It is an arithmetic number, because the mean of its divisors is an integer number (2800512).

Almost surely, 2^45618273 is an apocalyptic number.

It is an amenable number.

45618273 is a deficient number, since it is larger than the sum of its proper divisors (21594015).

45618273 is a wasteful number, since it uses less digits than its factorization.

45618273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 610 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45618273 is about 6754.1300698165. The cubic root of 45618273 is about 357.3109124436.

The spelling of 45618273 in words is "forty-five million, six hundred eighteen thousand, two hundred seventy-three".