144038641 has 2 divisors, whose sum is σ = 144038642. Its totient is φ = 144038640.

The previous prime is 144038591. The next prime is 144038689. The reversal of 144038641 is 146830441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75082225 + 68956416 = 8665^2 + 8304^2 .

It is a cyclic number.

It is not a de Polignac number, because 144038641 - 2¹³ = 144030449 is a prime.

It is a super-2 number, since 2×144038641² = 41494260202253762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144038441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72019320 + 72019321.

It is an arithmetic number, because the mean of its divisors is an integer number (72019321).

Almost surely, 2^144038641 is an apocalyptic number.

It is an amenable number.

144038641 is a deficient number, since it is larger than the sum of its proper divisors (1).

144038641 is an equidigital number, since it uses as much as digits as its factorization.

144038641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 144038641 is about 12001.6099336714. The cubic root of 144038641 is about 524.1951580138.

The spelling of 144038641 in words is "one hundred forty-four million, thirty-eight thousand, six hundred forty-one".