45228190 has 32 divisors (see below), whose sum is σ = 94014144. Its totient is φ = 15344640.

The previous prime is 45228181. The next prime is 45228203. The reversal of 45228190 is 9182254.

It is a super-4 number, since 4×45228190⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (2937942).

Almost surely, 2^45228190 is an apocalyptic number.

45228190 is an abundant number, since it is smaller than the sum of its proper divisors (48785954).

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

45228190 is a wasteful number, since it uses less digits than its factorization.

45228190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 45228190 is about 6725.1907036158. The cubic root of 45228190 is about 356.2895374196.

The spelling of 45228190 in words is "forty-five million, two hundred twenty-eight thousand, one hundred ninety".