45144238 has 8 divisors (see below), whose sum is σ = 69291288. Its totient is φ = 22047144.

The previous prime is 45144217. The next prime is 45144241. The reversal of 45144238 is 83244154.

45144238 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 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, 262381 + ... + 262552.

It is an arithmetic number, because the mean of its divisors is an integer number (8661411).

Almost surely, 2^45144238 is an apocalyptic number.

45144238 is a deficient number, since it is larger than the sum of its proper divisors (24147050).

45144238 is a wasteful number, since it uses less digits than its factorization.

45144238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524978.

The product of its digits is 15360, while the sum is 31.

The square root of 45144238 is about 6718.9461971354. The cubic root of 45144238 is about 356.0689541558.

The spelling of 45144238 in words is "forty-five million, one hundred forty-four thousand, two hundred thirty-eight".