144262442 has 12 divisors (see below), whose sum is σ = 229872390. Its totient is φ = 67887936.

The previous prime is 144262439. The next prime is 144262471. The reversal of 144262442 is 244262441.

It can be written as a sum of positive squares in 3 ways, for example, as 140873161 + 3389281 = 11869^2 + 1841^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124217 + ... + 125372.

Almost surely, 2^144262442 is an apocalyptic number.

144262442 is a deficient number, since it is larger than the sum of its proper divisors (85609948).

144262442 is a wasteful number, since it uses less digits than its factorization.

144262442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249625 (or 249608 counting only the distinct ones).

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

The square root of 144262442 is about 12010.9301055330. The cubic root of 144262442 is about 524.4665081003.

Subtracting 144262442 from its reverse (244262441), we obtain a palindrome (99999999).

The spelling of 144262442 in words is "one hundred forty-four million, two hundred sixty-two thousand, four hundred forty-two".