144397347 has 16 divisors (see below), whose sum is σ = 198597120. Its totient is φ = 93254112.

The previous prime is 144397343. The next prime is 144397361. The reversal of 144397347 is 743793441.

It is not a de Polignac number, because 144397347 - 2² = 144397343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144397299 and 144397308.

It is not an unprimeable number, because it can be changed into a prime (144397343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23808 + ... + 29250.

It is an arithmetic number, because the mean of its divisors is an integer number (12412320).

Almost surely, 2^144397347 is an apocalyptic number.

144397347 is a deficient number, since it is larger than the sum of its proper divisors (54199773).

144397347 is a wasteful number, since it uses less digits than its factorization.

144397347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722.

The product of its digits is 254016, while the sum is 42.

The square root of 144397347 is about 12016.5447196771. The cubic root of 144397347 is about 524.6299396679.

It can be divided in two parts, 1443 and 97347, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 144397347 in words is "one hundred forty-four million, three hundred ninety-seven thousand, three hundred forty-seven".