144234631 has 2 divisors, whose sum is σ = 144234632. Its totient is φ = 144234630.

The previous prime is 144234617. The next prime is 144234637. The reversal of 144234631 is 136432441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144234631 - 2⁹ = 144234119 is a prime.

It is a super-2 number, since 2×144234631² = 41607257559412322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144234631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144234637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72117315 + 72117316.

It is an arithmetic number, because the mean of its divisors is an integer number (72117316).

Almost surely, 2^144234631 is an apocalyptic number.

144234631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144234631 is an equidigital number, since it uses as much as digits as its factorization.

144234631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 144234631 is about 12009.7723125795. The cubic root of 144234631 is about 524.4328036118.

The spelling of 144234631 in words is "one hundred forty-four million, two hundred thirty-four thousand, six hundred thirty-one".