45085751 has 4 divisors (see below), whose sum is σ = 47737872. Its totient is φ = 42433632.

The previous prime is 45085699. The next prime is 45085753. The reversal of 45085751 is 15758054.

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

It is a de Polignac number, because none of the positive numbers 2^k-45085751 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 (45085753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326035 + ... + 1326068.

It is an arithmetic number, because the mean of its divisors is an integer number (11934468).

Almost surely, 2^45085751 is an apocalyptic number.

45085751 is a deficient number, since it is larger than the sum of its proper divisors (2652121).

45085751 is a wasteful number, since it uses less digits than its factorization.

45085751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652120.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 45085751 is about 6714.5923926922. The cubic root of 45085751 is about 355.9151183189.

The spelling of 45085751 in words is "forty-five million, eighty-five thousand, seven hundred fifty-one".