45751985 has 8 divisors (see below), whose sum is σ = 55938600. Its totient is φ = 35910784.

The previous prime is 45751969. The next prime is 45751997. The reversal of 45751985 is 58915754.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 45387169 = 604^2 + 6737^2 .

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 45751985 - 2⁴ = 45751969 is a prime.

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, 86060 + ... + 86589.

It is an arithmetic number, because the mean of its divisors is an integer number (6992325).

Almost surely, 2^45751985 is an apocalyptic number.

It is an amenable number.

45751985 is a deficient number, since it is larger than the sum of its proper divisors (10186615).

45751985 is a wasteful number, since it uses less digits than its factorization.

45751985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172707.

The product of its digits is 252000, while the sum is 44.

The square root of 45751985 is about 6764.0213630650. The cubic root of 45751985 is about 357.6596773125.

The spelling of 45751985 in words is "forty-five million, seven hundred fifty-one thousand, nine hundred eighty-five".