45709615 has 32 divisors (see below), whose sum is σ = 65839104. Its totient is φ = 29808000.

The previous prime is 45709613. The next prime is 45709621. The reversal of 45709615 is 51690754.

It is not a de Polignac number, because 45709615 - 2¹ = 45709613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45709613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60490 + ... + 61240.

It is an arithmetic number, because the mean of its divisors is an integer number (2057472).

Almost surely, 2^45709615 is an apocalyptic number.

45709615 is a deficient number, since it is larger than the sum of its proper divisors (20129489).

45709615 is a wasteful number, since it uses less digits than its factorization.

45709615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 45709615 is about 6760.8886250256. Note that the first 3 decimals coincide. The cubic root of 45709615 is about 357.5492360505.

The spelling of 45709615 in words is "forty-five million, seven hundred nine thousand, six hundred fifteen".