45309906 has 24 divisors (see below), whose sum is σ = 99128640. Its totient is φ = 14956056.

The previous prime is 45309853. The next prime is 45309907. The reversal of 45309906 is 60990354.

It is not an unprimeable number, because it can be changed into a prime (45309907) 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, 10366 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (4130360).

Almost surely, 2^45309906 is an apocalyptic number.

45309906 is an abundant number, since it is smaller than the sum of its proper divisors (53818734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45309906 is a wasteful number, since it uses less digits than its factorization.

45309906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24550 (or 24547 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 45309906 is about 6731.2633286776. The cubic root of 45309906 is about 356.5039836104.

The spelling of 45309906 in words is "forty-five million, three hundred nine thousand, nine hundred six".