45317709 has 12 divisors (see below), whose sum is σ = 65634816. Its totient is φ = 30130632.

The previous prime is 45317707. The next prime is 45317719. The reversal of 45317709 is 90771354.

It is a happy number.

It is not a de Polignac number, because 45317709 - 2¹ = 45317707 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45317707) 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, 3127 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (5469568).

Almost surely, 2^45317709 is an apocalyptic number.

It is an amenable number.

45317709 is a deficient number, since it is larger than the sum of its proper divisors (20317107).

45317709 is a wasteful number, since it uses less digits than its factorization.

45317709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536 (or 13533 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 45317709 is about 6731.8429126057. The cubic root of 45317709 is about 356.5244474277.

The spelling of 45317709 in words is "forty-five million, three hundred seventeen thousand, seven hundred nine".