45912515 has 8 divisors (see below), whose sum is σ = 60103728. Its totient is φ = 33390880.

The previous prime is 45912511. The next prime is 45912551. The reversal of 45912515 is 51521954.

45912515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45912515 - 2² = 45912511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45912511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417332 + ... + 417441.

It is an arithmetic number, because the mean of its divisors is an integer number (7512966).

Almost surely, 2^45912515 is an apocalyptic number.

45912515 is a deficient number, since it is larger than the sum of its proper divisors (14191213).

45912515 is a wasteful number, since it uses less digits than its factorization.

45912515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834789.

The product of its digits is 9000, while the sum is 32.

The square root of 45912515 is about 6775.8774339564. The cubic root of 45912515 is about 358.0774958894.

The spelling of 45912515 in words is "forty-five million, nine hundred twelve thousand, five hundred fifteen".