144147891279 has 8 divisors (see below), whose sum is σ = 219653929600. Its totient is φ = 82370223576.

The previous prime is 144147891269. The next prime is 144147891281. The reversal of 144147891279 is 972198741441.

It is a happy number.

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

It is not a de Polignac number, because 144147891279 - 2⁸ = 144147891023 is a prime.

It is a super-2 number, since 2×144147891279² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144147891259) 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, 3432092629 + ... + 3432092670.

It is an arithmetic number, because the mean of its divisors is an integer number (27456741200).

Almost surely, 2^144147891279 is an apocalyptic number.

144147891279 is a deficient number, since it is larger than the sum of its proper divisors (75506038321).

144147891279 is an equidigital number, since it uses as much as digits as its factorization.

144147891279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864185309.

The product of its digits is 4064256, while the sum is 57.

The spelling of 144147891279 in words is "one hundred forty-four billion, one hundred forty-seven million, eight hundred ninety-one thousand, two hundred seventy-nine".