45039615 has 8 divisors (see below), whose sum is σ = 72063408. Its totient is φ = 24021120.

The previous prime is 45039601. The next prime is 45039629. The reversal of 45039615 is 51693054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45039601) and next prime (45039629).

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

It is not a de Polignac number, because 45039615 - 2⁶ = 45039551 is a prime.

It is a congruent 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, 1501306 + ... + 1501335.

It is an arithmetic number, because the mean of its divisors is an integer number (9007926).

Almost surely, 2^45039615 is an apocalyptic number.

45039615 is a deficient number, since it is larger than the sum of its proper divisors (27023793).

45039615 is a wasteful number, since it uses less digits than its factorization.

45039615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002649.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 45039615 is about 6711.1560107034. The cubic root of 45039615 is about 355.7936748937.

It can be divided in two parts, 45039 and 615, that added together give a palindrome (45654).

The spelling of 45039615 in words is "forty-five million, thirty-nine thousand, six hundred fifteen".