45140155 has 8 divisors (see below), whose sum is σ = 54205200. Its totient is φ = 36087456.

The previous prime is 45140149. The next prime is 45140159. The reversal of 45140155 is 55104154.

It is a happy number.

45140155 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 cyclic number.

It is not a de Polignac number, because 45140155 - 2⁷ = 45140027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45140159) by changing a digit.

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, 10056 + ... + 13834.

It is an arithmetic number, because the mean of its divisors is an integer number (6775650).

Almost surely, 2^45140155 is an apocalyptic number.

45140155 is a deficient number, since it is larger than the sum of its proper divisors (9065045).

45140155 is a wasteful number, since it uses less digits than its factorization.

45140155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 45140155 is about 6718.6423479748. The cubic root of 45140155 is about 356.0582191323.

The spelling of 45140155 in words is "forty-five million, one hundred forty thousand, one hundred fifty-five".