144869743 has 2 divisors, whose sum is σ = 144869744. Its totient is φ = 144869742.

The previous prime is 144869731. The next prime is 144869759. The reversal of 144869743 is 347968441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144869743 - 2¹³ = 144861551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144869693 and 144869702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144860743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72434871 + 72434872.

It is an arithmetic number, because the mean of its divisors is an integer number (72434872).

Almost surely, 2^144869743 is an apocalyptic number.

144869743 is a deficient number, since it is larger than the sum of its proper divisors (1).

144869743 is an equidigital number, since it uses as much as digits as its factorization.

144869743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 144869743 is about 12036.1847360366. The cubic root of 144869743 is about 525.2014259595.

The spelling of 144869743 in words is "one hundred forty-four million, eight hundred sixty-nine thousand, seven hundred forty-three".