45272865 has 64 divisors (see below), whose sum is σ = 83607552. Its totient is φ = 20716800.

The previous prime is 45272861. The next prime is 45272869. The reversal of 45272865 is 56827254.

45272865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45272861) and next prime (45272869).

It is not a de Polignac number, because 45272865 - 2² = 45272861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45272861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271012 + ... + 271178.

It is an arithmetic number, because the mean of its divisors is an integer number (1306368).

Almost surely, 2^45272865 is an apocalyptic number.

It is an amenable number.

45272865 is a deficient number, since it is larger than the sum of its proper divisors (38334687).

45272865 is a wasteful number, since it uses less digits than its factorization.

45272865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 134400, while the sum is 39.

The square root of 45272865 is about 6728.5113509602. The cubic root of 45272865 is about 356.4068093917.

The spelling of 45272865 in words is "forty-five million, two hundred seventy-two thousand, eight hundred sixty-five".