45243615 has 8 divisors (see below), whose sum is σ = 72389808. Its totient is φ = 24129920.

The previous prime is 45243593. The next prime is 45243629. The reversal of 45243615 is 51634254.

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

It is not a de Polignac number, because 45243615 - 2⁶ = 45243551 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, 1508106 + ... + 1508135.

It is an arithmetic number, because the mean of its divisors is an integer number (9048726).

Almost surely, 2^45243615 is an apocalyptic number.

45243615 is a deficient number, since it is larger than the sum of its proper divisors (27146193).

45243615 is a wasteful number, since it uses less digits than its factorization.

45243615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016249.

The product of its digits is 14400, while the sum is 30.

The square root of 45243615 is about 6726.3374134814. The cubic root of 45243615 is about 356.3300368033.

Adding to 45243615 its reverse (51634254), we get a palindrome (96877869).

The spelling of 45243615 in words is "forty-five million, two hundred forty-three thousand, six hundred fifteen".