45665233 has 4 divisors (see below), whose sum is σ = 46439280. Its totient is φ = 44891188.

The previous prime is 45665209. The next prime is 45665261. The reversal of 45665233 is 33256654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33256654 = 2 ⋅16628327.

It is a cyclic number.

It is not a de Polignac number, because 45665233 - 2¹³ = 45657041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45665203) 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, 386935 + ... + 387052.

It is an arithmetic number, because the mean of its divisors is an integer number (11609820).

Almost surely, 2^45665233 is an apocalyptic number.

It is an amenable number.

45665233 is a deficient number, since it is larger than the sum of its proper divisors (774047).

45665233 is an equidigital number, since it uses as much as digits as its factorization.

45665233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774046.

The product of its digits is 64800, while the sum is 34.

The square root of 45665233 is about 6757.6055670629. The cubic root of 45665233 is about 357.4334771165.

The spelling of 45665233 in words is "forty-five million, six hundred sixty-five thousand, two hundred thirty-three".