45615745 has 8 divisors (see below), whose sum is σ = 62558784. Its totient is φ = 31279344.

The previous prime is 45615671. The next prime is 45615761. The reversal of 45615745 is 54751654.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45615745 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651619 + ... + 651688.

It is an arithmetic number, because the mean of its divisors is an integer number (7819848).

Almost surely, 2^45615745 is an apocalyptic number.

It is an amenable number.

45615745 is a deficient number, since it is larger than the sum of its proper divisors (16943039).

45615745 is a wasteful number, since it uses less digits than its factorization.

45615745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303319.

The product of its digits is 84000, while the sum is 37.

The square root of 45615745 is about 6753.9429224713. The cubic root of 45615745 is about 357.3043120281.

It can be divided in two parts, 45615 and 745, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 45615745 in words is "forty-five million, six hundred fifteen thousand, seven hundred forty-five".