144472339 has 8 divisors (see below), whose sum is σ = 160190640. Its totient is φ = 129184800.

The previous prime is 144472327. The next prime is 144472343. The reversal of 144472339 is 933274441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144472339 is a prime.

It is a super-2 number, since 2×144472339² = 41744513472261842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144472298 and 144472307.

It is not an unprimeable number, because it can be changed into a prime (144472379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106984 + ... + 108325.

It is an arithmetic number, because the mean of its divisors is an integer number (20023830).

Almost surely, 2^144472339 is an apocalyptic number.

144472339 is a deficient number, since it is larger than the sum of its proper divisors (15718301).

144472339 is a wasteful number, since it uses less digits than its factorization.

144472339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215381.

The product of its digits is 72576, while the sum is 37.

The square root of 144472339 is about 12019.6646791830. The cubic root of 144472339 is about 524.7207452132.

The spelling of 144472339 in words is "one hundred forty-four million, four hundred seventy-two thousand, three hundred thirty-nine".