144423470345279 has 4 divisors (see below), whose sum is σ = 146871325774920. Its totient is φ = 141975614915640.

The previous prime is 144423470345261. The next prime is 144423470345321. The reversal of 144423470345279 is 972543074324441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144423470345279 - 2²⁴ = 144423453568063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 2447855429581 = 144423470345279 / (1 + 4 + 4 + 4 + 2 + 3 + 4 + 7 + 0 + 3 + 4 + 5 + 2 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423470345179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223927714732 + ... + 1223927714849.

It is an arithmetic number, because the mean of its divisors is an integer number (36717831443730).

Almost surely, 2^{144423470345279} is an apocalyptic number.

144423470345279 is a deficient number, since it is larger than the sum of its proper divisors (2447855429641).

144423470345279 is an equidigital number, since it uses as much as digits as its factorization.

144423470345279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447855429640.

The product of its (nonzero) digits is 81285120, while the sum is 59.

The spelling of 144423470345279 in words is "one hundred forty-four trillion, four hundred twenty-three billion, four hundred seventy million, three hundred forty-five thousand, two hundred seventy-nine".