144219573 has 12 divisors (see below), whose sum is σ = 208723788. Its totient is φ = 95958720.

The previous prime is 144219571. The next prime is 144219583. The reversal of 144219573 is 375912441.

144219573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50381604 + 93837969 = 7098^2 + 9687^2 .

It is not a de Polignac number, because 144219573 - 2¹ = 144219571 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144219571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10690 + ... + 20067.

It is an arithmetic number, because the mean of its divisors is an integer number (17393649).

Almost surely, 2^144219573 is an apocalyptic number.

It is an amenable number.

144219573 is a deficient number, since it is larger than the sum of its proper divisors (64504215).

144219573 is a wasteful number, since it uses less digits than its factorization.

144219573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31284 (or 31281 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 144219573 is about 12009.1453900767. The cubic root of 144219573 is about 524.4145528308.

The spelling of 144219573 in words is "one hundred forty-four million, two hundred nineteen thousand, five hundred seventy-three".