144419813 has 8 divisors (see below), whose sum is σ = 145411200. Its totient is φ = 143432128.

The previous prime is 144419809. The next prime is 144419819. The reversal of 144419813 is 318914441.

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 144419813 - 2² = 144419809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144419819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141218 + ... + 142236.

It is an arithmetic number, because the mean of its divisors is an integer number (18176400).

Almost surely, 2^144419813 is an apocalyptic number.

It is an amenable number.

144419813 is a deficient number, since it is larger than the sum of its proper divisors (991387).

144419813 is a wasteful number, since it uses less digits than its factorization.

144419813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851.

The product of its digits is 13824, while the sum is 35.

The square root of 144419813 is about 12017.4794778273. The cubic root of 144419813 is about 524.6571463658.

The spelling of 144419813 in words is "one hundred forty-four million, four hundred nineteen thousand, eight hundred thirteen".