45663257 has 8 divisors (see below), whose sum is σ = 47808384. Its totient is φ = 43531488.

The previous prime is 45663239. The next prime is 45663269. The reversal of 45663257 is 75236654.

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 45663257 - 2²² = 41468953 is a prime.

It is a super-3 number, since 3×45663257³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45663257.

It is not an unprimeable number, because it can be changed into a prime (45668257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (5976048).

Almost surely, 2^45663257 is an apocalyptic number.

It is an amenable number.

45663257 is a deficient number, since it is larger than the sum of its proper divisors (2145127).

45663257 is a wasteful number, since it uses less digits than its factorization.

45663257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679.

The product of its digits is 151200, while the sum is 38.

The square root of 45663257 is about 6757.4593598482. The cubic root of 45663257 is about 357.4283214894.

The spelling of 45663257 in words is "forty-five million, six hundred sixty-three thousand, two hundred fifty-seven".