45117275 has 24 divisors (see below), whose sum is σ = 64233984. Its totient is φ = 30794400.

The previous prime is 45117271. The next prime is 45117313. The reversal of 45117275 is 57271154.

It is not a de Polignac number, because 45117275 - 2² = 45117271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45117271) 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, 49070 + ... + 49980.

It is an arithmetic number, because the mean of its divisors is an integer number (2676416).

Almost surely, 2^45117275 is an apocalyptic number.

45117275 is a deficient number, since it is larger than the sum of its proper divisors (19116709).

45117275 is a wasteful number, since it uses less digits than its factorization.

45117275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1206 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 45117275 is about 6716.9394072003. The cubic root of 45117275 is about 355.9980510561.

The spelling of 45117275 in words is "forty-five million, one hundred seventeen thousand, two hundred seventy-five".