144444026 has 8 divisors (see below), whose sum is σ = 216731700. Its totient is φ = 72200128.

The previous prime is 144444017. The next prime is 144444067. The reversal of 144444026 is 620444441.

It can be written as a sum of positive squares in 2 ways, for example, as 143880025 + 564001 = 11995^2 + 751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144444026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 17016.

Almost surely, 2^144444026 is an apocalyptic number.

144444026 is a deficient number, since it is larger than the sum of its proper divisors (72287674).

144444026 is a wasteful number, since it uses less digits than its factorization.

144444026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21888.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 144444026 is about 12018.4868431929. The cubic root of 144444026 is about 524.6864655507.

Adding to 144444026 its reverse (620444441), we get a palindrome (764888467).

The spelling of 144444026 in words is "one hundred forty-four million, four hundred forty-four thousand, twenty-six".