144255403400331 has 32 divisors (see below), whose sum is σ = 205493823673600. Its totient is φ = 89745240245760.

The previous prime is 144255403400261. The next prime is 144255403400341. The reversal of 144255403400331 is 133004304552441.

It is not a de Polignac number, because 144255403400331 - 2⁹ = 144255403399819 is a prime.

It is a super-2 number, since 2×144255403400331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144255403400331.

It is not an unprimeable number, because it can be changed into a prime (144255403400341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95955015 + ... + 97446783.

It is an arithmetic number, because the mean of its divisors is an integer number (6421681989800).

Almost surely, 2^{144255403400331} is an apocalyptic number.

144255403400331 is a deficient number, since it is larger than the sum of its proper divisors (61238420273269).

144255403400331 is a wasteful number, since it uses less digits than its factorization.

144255403400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517179.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 144255403400331 its reverse (133004304552441), we get a palindrome (277259707952772).

The spelling of 144255403400331 in words is "one hundred forty-four trillion, two hundred fifty-five billion, four hundred three million, four hundred thousand, three hundred thirty-one".