144420743 has 2 divisors, whose sum is σ = 144420744. Its totient is φ = 144420742.

The previous prime is 144420719. The next prime is 144420799. The reversal of 144420743 is 347024441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144420743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144420713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72210371 + 72210372.

It is an arithmetic number, because the mean of its divisors is an integer number (72210372).

Almost surely, 2^144420743 is an apocalyptic number.

144420743 is a deficient number, since it is larger than the sum of its proper divisors (1).

144420743 is an equidigital number, since it uses as much as digits as its factorization.

144420743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 144420743 is about 12017.5181714029. The cubic root of 144420743 is about 524.6582725504.

The spelling of 144420743 in words is "one hundred forty-four million, four hundred twenty thousand, seven hundred forty-three".