1444123442 has 4 divisors (see below), whose sum is σ = 2166185166. Its totient is φ = 722061720.

The previous prime is 1444123441. The next prime is 1444123493. The reversal of 1444123442 is 2443214441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1272277561 + 171845881 = 35669^2 + 13109^2 .

It is not an unprimeable number, because it can be changed into a prime (1444123441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361030859 + ... + 361030862.

Almost surely, 2^1444123442 is an apocalyptic number.

1444123442 is a deficient number, since it is larger than the sum of its proper divisors (722061724).

1444123442 is an equidigital number, since it uses as much as digits as its factorization.

1444123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722061723.

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

The square root of 1444123442 is about 38001.6242021312. The cubic root of 1444123442 is about 1130.3200706602.

Adding to 1444123442 its reverse (2443214441), we get a palindrome (3887337883).

Subtracting 1444123442 from its reverse (2443214441), we obtain a palindrome (999090999).

The spelling of 1444123442 in words is "one billion, four hundred forty-four million, one hundred twenty-three thousand, four hundred forty-two".