45051615 has 96 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 18865152.

The previous prime is 45051593. The next prime is 45051623. The reversal of 45051615 is 51615054.

It is a happy number.

45051615 is a `hidden beast` number, since 45 + 0 + 5 + 1 + 615 = 666.

It is not a de Polignac number, because 45051615 - 2⁶ = 45051551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 251596 + ... + 251774.

It is an arithmetic number, because the mean of its divisors is an integer number (1010880).

Almost surely, 2^45051615 is an apocalyptic number.

45051615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45051615 is an abundant number, since it is smaller than the sum of its proper divisors (51992865).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45051615 is a wasteful number, since it uses less digits than its factorization.

45051615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 45051615 is about 6712.0499849152. The cubic root of 45051615 is about 355.8252703752.

Adding to 45051615 its reverse (51615054), we get a palindrome (96666669).

The spelling of 45051615 in words is "forty-five million, fifty-one thousand, six hundred fifteen".