45140398 has 16 divisors (see below), whose sum is σ = 72161280. Its totient is φ = 21128536.

The previous prime is 45140387. The next prime is 45140419. The reversal of 45140398 is 89304154.

45140398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 8278 + ... + 12601.

It is an arithmetic number, because the mean of its divisors is an integer number (4510080).

Almost surely, 2^45140398 is an apocalyptic number.

45140398 is a deficient number, since it is larger than the sum of its proper divisors (27020882).

45140398 is a wasteful number, since it uses less digits than its factorization.

45140398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20951.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 45140398 is about 6718.6604319611. The cubic root of 45140398 is about 356.0588580460.

The spelling of 45140398 in words is "forty-five million, one hundred forty thousand, three hundred ninety-eight".