45035257 has 4 divisors (see below), whose sum is σ = 45499636. Its totient is φ = 44570880.

The previous prime is 45035251. The next prime is 45035269. The reversal of 45035257 is 75253054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75253054 = 2 ⋅37626527.

It can be written as a sum of positive squares in 2 ways, for example, as 8202496 + 36832761 = 2864^2 + 6069^2 .

It is a cyclic number.

It is not a de Polignac number, because 45035257 - 2⁷ = 45035129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45035251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232044 + ... + 232237.

It is an arithmetic number, because the mean of its divisors is an integer number (11374909).

Almost surely, 2^45035257 is an apocalyptic number.

It is an amenable number.

45035257 is a deficient number, since it is larger than the sum of its proper divisors (464379).

45035257 is an equidigital number, since it uses as much as digits as its factorization.

45035257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464378.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 45035257 is about 6710.8313195907. The cubic root of 45035257 is about 355.7821990788.

The spelling of 45035257 in words is "forty-five million, thirty-five thousand, two hundred fifty-seven".