45115751 has 4 divisors (see below), whose sum is σ = 45553872. Its totient is φ = 44677632.

The previous prime is 45115727. The next prime is 45115753. The reversal of 45115751 is 15751154.

45115751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45115751 - 2⁶ = 45115687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45115753) 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 3 ways as a sum of consecutive naturals, for example, 218906 + ... + 219111.

It is an arithmetic number, because the mean of its divisors is an integer number (11388468).

Almost surely, 2^45115751 is an apocalyptic number.

45115751 is a deficient number, since it is larger than the sum of its proper divisors (438121).

45115751 is a wasteful number, since it uses less digits than its factorization.

45115751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438120.

The product of its digits is 3500, while the sum is 29.

The square root of 45115751 is about 6716.8259617173. The cubic root of 45115751 is about 355.9940426348.

The spelling of 45115751 in words is "forty-five million, one hundred fifteen thousand, seven hundred fifty-one".