45925775809 has 15 divisors (see below), whose sum is σ = 47670397665. Its totient is φ = 44244997380.

The previous prime is 45925775801. The next prime is 45925775813. The reversal of 45925775809 is 90857752954.

The square root of 45925775809 is 214303.

It is a perfect power (a square), and thus also a powerful number.

45925775809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45925775809 - 2³ = 45925775801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45925775801) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 205945072 + ... + 205945294.

It is an arithmetic number, because the mean of its divisors is an integer number (3178026511).

Almost surely, 2^45925775809 is an apocalyptic number.

45925775809 is the 214303-rd square number.

45925775809 is the 107152-nd centered octagonal number.

It is an amenable number.

45925775809 is a deficient number, since it is larger than the sum of its proper divisors (1744621856).

45925775809 is an frugal number, since it uses more digits than its factorization.

45925775809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 61.

The spelling of 45925775809 in words is "forty-five billion, nine hundred twenty-five million, seven hundred seventy-five thousand, eight hundred nine".