45278933 has 4 divisors (see below), whose sum is σ = 51747360. Its totient is φ = 38810508.

The previous prime is 45278923. The next prime is 45278953. The reversal of 45278933 is 33987254.

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.

It is a cyclic number.

It is not a de Polignac number, because 45278933 - 2⁴ = 45278917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45278923) 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, 3234203 + ... + 3234216.

It is an arithmetic number, because the mean of its divisors is an integer number (12936840).

Almost surely, 2^45278933 is an apocalyptic number.

It is an amenable number.

45278933 is a deficient number, since it is larger than the sum of its proper divisors (6468427).

45278933 is an equidigital number, since it uses as much as digits as its factorization.

45278933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468426.

The product of its digits is 181440, while the sum is 41.

The square root of 45278933 is about 6728.9622528292. The cubic root of 45278933 is about 356.4227319530.

The spelling of 45278933 in words is "forty-five million, two hundred seventy-eight thousand, nine hundred thirty-three".