45072577 has 8 divisors (see below), whose sum is σ = 50216832. Its totient is φ = 40102800.

The previous prime is 45072553. The next prime is 45072607. The reversal of 45072577 is 77527054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45072577 - 2¹⁵ = 45039809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45072877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43074 + ... + 44107.

It is an arithmetic number, because the mean of its divisors is an integer number (6277104).

Almost surely, 2^45072577 is an apocalyptic number.

45072577 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

45072577 is a deficient number, since it is larger than the sum of its proper divisors (5144255).

45072577 is a wasteful number, since it uses less digits than its factorization.

45072577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87239.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 45072577 is about 6713.6113232745. The cubic root of 45072577 is about 355.8804489579.

The spelling of 45072577 in words is "forty-five million, seventy-two thousand, five hundred seventy-seven".