45257698 has 8 divisors (see below), whose sum is σ = 70838208. Its totient is φ = 21644964.

The previous prime is 45257651. The next prime is 45257699. The reversal of 45257698 is 89675254.

45257698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 983863 = 45257698 / (4 + 5 + 2 + 5 + 7 + 6 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (45257699) 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, 491886 + ... + 491977.

It is an arithmetic number, because the mean of its divisors is an integer number (8854776).

Almost surely, 2^45257698 is an apocalyptic number.

45257698 is a deficient number, since it is larger than the sum of its proper divisors (25580510).

45257698 is a wasteful number, since it uses less digits than its factorization.

45257698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983888.

The product of its digits is 604800, while the sum is 46.

The square root of 45257698 is about 6727.3841870373. The cubic root of 45257698 is about 356.3670046371.

The spelling of 45257698 in words is "forty-five million, two hundred fifty-seven thousand, six hundred ninety-eight".