45042258 has 16 divisors (see below), whose sum is σ = 91354176. Its totient is φ = 14802480.

The previous prime is 45042251. The next prime is 45042259. The reversal of 45042258 is 85224054.

45042258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45042251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52441 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (5709636).

Almost surely, 2^45042258 is an apocalyptic number.

45042258 is an abundant number, since it is smaller than the sum of its proper divisors (46311918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45042258 is a wasteful number, since it uses less digits than its factorization.

45042258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105809.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 45042258 is about 6711.3529187489. The cubic root of 45042258 is about 355.8006342803.

The spelling of 45042258 in words is "forty-five million, forty-two thousand, two hundred fifty-eight".