45267857 has 4 divisors (see below), whose sum is σ = 45321780. Its totient is φ = 45213936.

The previous prime is 45267853. The next prime is 45267907. The reversal of 45267857 is 75876254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75876254 = 2 ⋅37938127.

It can be written as a sum of positive squares in 2 ways, for example, as 25563136 + 19704721 = 5056^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 45267857 - 2² = 45267853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45267851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25682 + ... + 27387.

It is an arithmetic number, because the mean of its divisors is an integer number (11330445).

Almost surely, 2^45267857 is an apocalyptic number.

It is an amenable number.

45267857 is a deficient number, since it is larger than the sum of its proper divisors (53923).

45267857 is an equidigital number, since it uses as much as digits as its factorization.

45267857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53922.

The product of its digits is 470400, while the sum is 44.

The square root of 45267857 is about 6728.1391929716. The cubic root of 45267857 is about 356.3936672213.

The spelling of 45267857 in words is "forty-five million, two hundred sixty-seven thousand, eight hundred fifty-seven".