144345234231 has 24 divisors (see below), whose sum is σ = 227766075264. Its totient is φ = 87361583760.

The previous prime is 144345234161. The next prime is 144345234277. The reversal of 144345234231 is 132432543441.

144345234231 is a `hidden beast` number, since 144 + 3 + 452 + 34 + 2 + 31 = 666.

It is not a de Polignac number, because 144345234231 - 2⁹ = 144345233719 is a prime.

It is a super-2 number, since 2×144345234231² (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 (144345234731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930801 + ... + 1074746.

It is an arithmetic number, because the mean of its divisors is an integer number (9490253136).

Almost surely, 2^144345234231 is an apocalyptic number.

144345234231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144345234231 is a deficient number, since it is larger than the sum of its proper divisors (83420841033).

144345234231 is a wasteful number, since it uses less digits than its factorization.

144345234231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006291 (or 2006288 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 144345234231 its reverse (132432543441), we get a palindrome (276777777672).

The spelling of 144345234231 in words is "one hundred forty-four billion, three hundred forty-five million, two hundred thirty-four thousand, two hundred thirty-one".