144212443431 has 16 divisors (see below), whose sum is σ = 219777444864. Its totient is φ = 82397679264.

The previous prime is 144212443423. The next prime is 144212443439. The reversal of 144212443431 is 134344212441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144212443423) and next prime (144212443439).

It is not a de Polignac number, because 144212443431 - 2³ = 144212443423 is a prime.

It is a super-2 number, since 2×144212443431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144212443392 and 144212443401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144212443439) 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, 202975 + ... + 574128.

It is an arithmetic number, because the mean of its divisors is an integer number (13736090304).

Almost surely, 2^144212443431 is an apocalyptic number.

144212443431 is a deficient number, since it is larger than the sum of its proper divisors (75565001433).

144212443431 is an equidigital number, since it uses as much as digits as its factorization.

144212443431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785950.

The product of its digits is 36864, while the sum is 33.

Adding to 144212443431 its reverse (134344212441), we get a palindrome (278556655872).

The spelling of 144212443431 in words is "one hundred forty-four billion, two hundred twelve million, four hundred forty-three thousand, four hundred thirty-one".