144719551 has 2 divisors, whose sum is σ = 144719552. Its totient is φ = 144719550.

The previous prime is 144719503. The next prime is 144719557. The reversal of 144719551 is 155917441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144719551 - 2⁹ = 144719039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144719551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144719557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72359775 + 72359776.

It is an arithmetic number, because the mean of its divisors is an integer number (72359776).

Almost surely, 2^144719551 is an apocalyptic number.

144719551 is a deficient number, since it is larger than the sum of its proper divisors (1).

144719551 is an equidigital number, since it uses as much as digits as its factorization.

144719551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 37.

The square root of 144719551 is about 12029.9439317064. The cubic root of 144719551 is about 525.0198644033.

The spelling of 144719551 in words is "one hundred forty-four million, seven hundred nineteen thousand, five hundred fifty-one".