144660431 has 2 divisors, whose sum is σ = 144660432. Its totient is φ = 144660430.

The previous prime is 144660421. The next prime is 144660443. The reversal of 144660431 is 134066441.

It is a weak prime.

It is an emirp because it is prime and its reverse (134066441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144660431 - 2⁶ = 144660367 is a prime.

It is a super-2 number, since 2×144660431² = 41853280594211522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_8160644 and since 144660431 and 8160644 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 144660394 and 144660403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144660421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72330215 + 72330216.

It is an arithmetic number, because the mean of its divisors is an integer number (72330216).

Almost surely, 2^144660431 is an apocalyptic number.

144660431 is a deficient number, since it is larger than the sum of its proper divisors (1).

144660431 is an equidigital number, since it uses as much as digits as its factorization.

144660431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 144660431 is about 12027.4864788949. The cubic root of 144660431 is about 524.9483619657.

The spelling of 144660431 in words is "one hundred forty-four million, six hundred sixty thousand, four hundred thirty-one".