144251818 has 8 divisors (see below), whose sum is σ = 217201248. Its totient is φ = 71851404.

The previous prime is 144251797. The next prime is 144251843. The reversal of 144251818 is 818152441.

It is a happy number.

144251818 is digitally balanced in base 3, 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 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, 136596 + ... + 137647.

It is an arithmetic number, because the mean of its divisors is an integer number (27150156).

Almost surely, 2^144251818 is an apocalyptic number.

144251818 is a deficient number, since it is larger than the sum of its proper divisors (72949430).

144251818 is a wasteful number, since it uses less digits than its factorization.

144251818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274508.

The product of its digits is 10240, while the sum is 34.

The square root of 144251818 is about 12010.4878335561. The cubic root of 144251818 is about 524.4536332571.

The spelling of 144251818 in words is "one hundred forty-four million, two hundred fifty-one thousand, eight hundred eighteen".