144399553919 has 8 divisors (see below), whose sum is σ = 152897564160. Its totient is φ = 135901979136.

The previous prime is 144399553897. The next prime is 144399553973. The reversal of 144399553919 is 919355993441.

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 144399553919 - 2¹⁶ = 144399488383 is a prime.

It is a super-2 number, since 2×144399553919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144399553819) 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, 782402 + ... + 949184.

It is an arithmetic number, because the mean of its divisors is an integer number (19112195520).

Almost surely, 2^144399553919 is an apocalyptic number.

144399553919 is a deficient number, since it is larger than the sum of its proper divisors (8498010241).

144399553919 is a wasteful number, since it uses less digits than its factorization.

144399553919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217729.

The product of its digits is 23619600, while the sum is 62.

The spelling of 144399553919 in words is "one hundred forty-four billion, three hundred ninety-nine million, five hundred fifty-three thousand, nine hundred nineteen".