45812689 has 12 divisors (see below), whose sum is σ = 49825776. Its totient is φ = 42103152.

The previous prime is 45812681. The next prime is 45812707. The reversal of 45812689 is 98621854.

It is a happy number.

It is not a de Polignac number, because 45812689 - 2³ = 45812681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45812681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51442 + ... + 52324.

It is an arithmetic number, because the mean of its divisors is an integer number (4152148).

Almost surely, 2^45812689 is an apocalyptic number.

It is an amenable number.

45812689 is a deficient number, since it is larger than the sum of its proper divisors (4013087).

45812689 is a wasteful number, since it uses less digits than its factorization.

45812689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1203 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 45812689 is about 6768.5071470746. The cubic root of 45812689 is about 357.8177890525.

The spelling of 45812689 in words is "forty-five million, eight hundred twelve thousand, six hundred eighty-nine".