144053639 has 2 divisors, whose sum is σ = 144053640. Its totient is φ = 144053638.

The previous prime is 144053627. The next prime is 144053677. The reversal of 144053639 is 936350441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144053639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144053599 and 144053608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144053939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72026819 + 72026820.

It is an arithmetic number, because the mean of its divisors is an integer number (72026820).

Almost surely, 2^144053639 is an apocalyptic number.

144053639 is a deficient number, since it is larger than the sum of its proper divisors (1).

144053639 is an equidigital number, since it uses as much as digits as its factorization.

144053639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 144053639 is about 12002.2347502455. The cubic root of 144053639 is about 524.2133512941.

The spelling of 144053639 in words is "one hundred forty-four million, fifty-three thousand, six hundred thirty-nine".