144699996431 has 2 divisors, whose sum is σ = 144699996432. Its totient is φ = 144699996430.

The previous prime is 144699996359. The next prime is 144699996461. The reversal of 144699996431 is 134699996441.

It is a strong prime.

It is an emirp because it is prime and its reverse (134699996441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144699996431 - 2¹⁸ = 144699734287 is a prime.

It is a super-2 number, since 2×144699996431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144699996461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72349998215 + 72349998216.

It is an arithmetic number, because the mean of its divisors is an integer number (72349998216).

Almost surely, 2^144699996431 is an apocalyptic number.

144699996431 is a deficient number, since it is larger than the sum of its proper divisors (1).

144699996431 is an equidigital number, since it uses as much as digits as its factorization.

144699996431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45349632, while the sum is 65.

The spelling of 144699996431 in words is "one hundred forty-four billion, six hundred ninety-nine million, nine hundred ninety-six thousand, four hundred thirty-one".