45151490 has 32 divisors (see below), whose sum is σ = 87899904. Its totient is φ = 16633600.

The previous prime is 45151481. The next prime is 45151493. The reversal of 45151490 is 9415154.

It is not an unprimeable number, because it can be changed into a prime (45151493) 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 15 ways as a sum of consecutive naturals, for example, 5165 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (2746872).

Almost surely, 2^45151490 is an apocalyptic number.

45151490 is a deficient number, since it is larger than the sum of its proper divisors (42748414).

45151490 is a wasteful number, since it uses less digits than its factorization.

45151490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722.

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

The square root of 45151490 is about 6719.4858434258. The cubic root of 45151490 is about 356.0880195184.

The spelling of 45151490 in words is "forty-five million, one hundred fifty-one thousand, four hundred ninety".