45805190 has 16 divisors (see below), whose sum is σ = 86034528. Its totient is φ = 17525376.

The previous prime is 45805187. The next prime is 45805271. The reversal of 45805190 is 9150854.

It is a super-2 number, since 2×45805190² = 4196230861872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99347 + ... + 99806.

It is an arithmetic number, because the mean of its divisors is an integer number (5377158).

Almost surely, 2^45805190 is an apocalyptic number.

45805190 is a deficient number, since it is larger than the sum of its proper divisors (40229338).

45805190 is a wasteful number, since it uses less digits than its factorization.

45805190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199183.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 45805190 is about 6767.9531617765. The cubic root of 45805190 is about 357.7982644616.

The spelling of 45805190 in words is "forty-five million, eight hundred five thousand, one hundred ninety".