45925989 has 4 divisors (see below), whose sum is σ = 61234656. Its totient is φ = 30617324.

The previous prime is 45925987. The next prime is 45926029. The reversal of 45925989 is 98952954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45925989 - 2¹ = 45925987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45925981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7654329 + ... + 7654334.

It is an arithmetic number, because the mean of its divisors is an integer number (15308664).

Almost surely, 2^45925989 is an apocalyptic number.

It is an amenable number.

45925989 is a deficient number, since it is larger than the sum of its proper divisors (15308667).

45925989 is a wasteful number, since it uses less digits than its factorization.

45925989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15308666.

The product of its digits is 1166400, while the sum is 51.

The square root of 45925989 is about 6776.8716233967. The cubic root of 45925989 is about 358.1125209385.

The spelling of 45925989 in words is "forty-five million, nine hundred twenty-five thousand, nine hundred eighty-nine".