45312745 has 8 divisors (see below), whose sum is σ = 54412416. Its totient is φ = 36225456.

The previous prime is 45312719. The next prime is 45312763. The reversal of 45312745 is 54721354.

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

It is a cyclic number.

It is not a de Polignac number, because 45312745 - 2⁵ = 45312713 is a prime.

It is a Duffinian 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, 10014 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (6801552).

Almost surely, 2^45312745 is an apocalyptic number.

It is an amenable number.

45312745 is a deficient number, since it is larger than the sum of its proper divisors (9099671).

45312745 is a wasteful number, since it uses less digits than its factorization.

45312745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191.

The product of its digits is 16800, while the sum is 31.

The square root of 45312745 is about 6731.4742070367. The cubic root of 45312745 is about 356.5114293234.

The spelling of 45312745 in words is "forty-five million, three hundred twelve thousand, seven hundred forty-five".