45272765 has 24 divisors (see below), whose sum is σ = 57244320. Its totient is φ = 34357344.

The previous prime is 45272749. The next prime is 45272779. The reversal of 45272765 is 56727254.

It is a happy number.

It is not a de Polignac number, because 45272765 - 2⁴ = 45272749 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545414 + ... + 545496.

It is an arithmetic number, because the mean of its divisors is an integer number (2385180).

Almost surely, 2^45272765 is an apocalyptic number.

It is an amenable number.

45272765 is a deficient number, since it is larger than the sum of its proper divisors (11971555).

45272765 is an equidigital number, since it uses as much as digits as its factorization.

45272765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 190 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 45272765 is about 6728.5039198919. The cubic root of 45272765 is about 356.4065469777.

The spelling of 45272765 in words is "forty-five million, two hundred seventy-two thousand, seven hundred sixty-five".