1142444522 has 4 divisors (see below), whose sum is σ = 1713666786. Its totient is φ = 571222260.

The previous prime is 1142444503. The next prime is 1142444549. The reversal of 1142444522 is 2254442411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2254442411 = 13 ⋅173418647.

It can be written as a sum of positive squares in only one way, i.e., 1047752161 + 94692361 = 32369^2 + 9731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285611129 + ... + 285611132.

Almost surely, 2^1142444522 is an apocalyptic number.

1142444522 is a deficient number, since it is larger than the sum of its proper divisors (571222264).

1142444522 is an equidigital number, since it uses as much as digits as its factorization.

1142444522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571222263.

The product of its digits is 10240, while the sum is 29.

The square root of 1142444522 is about 33800.0668934249. The cubic root of 1142444522 is about 1045.3900765153.

Adding to 1142444522 its reverse (2254442411), we get a palindrome (3396886933).

The spelling of 1142444522 in words is "one billion, one hundred forty-two million, four hundred forty-four thousand, five hundred twenty-two".