45145190 has 8 divisors (see below), whose sum is σ = 81261360. Its totient is φ = 18058072.

The previous prime is 45145187. The next prime is 45145213. The reversal of 45145190 is 9154154.

45145190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45145190² = 4076176360272200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2257250 + ... + 2257269.

It is an arithmetic number, because the mean of its divisors is an integer number (10157670).

Almost surely, 2^45145190 is an apocalyptic number.

45145190 is a deficient number, since it is larger than the sum of its proper divisors (36116170).

45145190 is a wasteful number, since it uses less digits than its factorization.

45145190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514526.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 45145190 is about 6719.0170412048. The cubic root of 45145190 is about 356.0714570612.

The spelling of 45145190 in words is "forty-five million, one hundred forty-five thousand, one hundred ninety".