45150290 has 16 divisors (see below), whose sum is σ = 81385560. Its totient is φ = 18034560.

The previous prime is 45150271. The next prime is 45150293. The reversal of 45150290 is 9205154.

It can be written as a sum of positive squares in 4 ways, for example, as 40056241 + 5094049 = 6329^2 + 2257^2 .

It is not an unprimeable number, because it can be changed into a prime (45150293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5300 + ... + 10880.

Almost surely, 2^45150290 is an apocalyptic number.

45150290 is a deficient number, since it is larger than the sum of its proper divisors (36235270).

45150290 is a wasteful number, since it uses less digits than its factorization.

45150290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 45150290 is about 6719.3965502863. The cubic root of 45150290 is about 356.0848648834.

The spelling of 45150290 in words is "forty-five million, one hundred fifty thousand, two hundred ninety".