144813814 has 8 divisors (see below), whose sum is σ = 218783880. Its totient is φ = 71885856.

The previous prime is 144813797. The next prime is 144813821. The reversal of 144813814 is 418318441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144813814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260179 + ... + 260734.

It is an arithmetic number, because the mean of its divisors is an integer number (27347985).

Almost surely, 2^144813814 is an apocalyptic number.

144813814 is a deficient number, since it is larger than the sum of its proper divisors (73970066).

144813814 is a wasteful number, since it uses less digits than its factorization.

144813814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521054.

The product of its digits is 12288, while the sum is 34.

The square root of 144813814 is about 12033.8611426258. The cubic root of 144813814 is about 525.1338301298.

The spelling of 144813814 in words is "one hundred forty-four million, eight hundred thirteen thousand, eight hundred fourteen".