45625809 has 8 divisors (see below), whose sum is σ = 61186752. Its totient is φ = 30241040.

The previous prime is 45625799. The next prime is 45625829. The reversal of 45625809 is 90852654.

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 45625809 - 2⁸ = 45625553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45625829) 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, 43437 + ... + 44474.

It is an arithmetic number, because the mean of its divisors is an integer number (7648344).

Almost surely, 2^45625809 is an apocalyptic number.

It is an amenable number.

45625809 is a deficient number, since it is larger than the sum of its proper divisors (15560943).

45625809 is a wasteful number, since it uses less digits than its factorization.

45625809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88087.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 45625809 is about 6754.6879276544. The cubic root of 45625809 is about 357.3305869190.

The spelling of 45625809 in words is "forty-five million, six hundred twenty-five thousand, eight hundred nine".