45674257 has 8 divisors (see below), whose sum is σ = 48486600. Its totient is φ = 42875904.

The previous prime is 45674227. The next prime is 45674263. The reversal of 45674257 is 75247654.

It can be written as a sum of positive squares in 4 ways, for example, as 32993536 + 12680721 = 5744^2 + 3561^2 .

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

It is not a de Polignac number, because 45674257 - 2¹⁹ = 45149969 is a prime.

It is a super-2 number, since 2×45674257² = 4172275505004098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45674227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3669 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (6060825).

Almost surely, 2^45674257 is an apocalyptic number.

It is an amenable number.

45674257 is a deficient number, since it is larger than the sum of its proper divisors (2812343).

45674257 is a wasteful number, since it uses less digits than its factorization.

45674257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995.

The product of its digits is 235200, while the sum is 40.

The square root of 45674257 is about 6758.2732262021. The cubic root of 45674257 is about 357.4570199524.

The spelling of 45674257 in words is "forty-five million, six hundred seventy-four thousand, two hundred fifty-seven".