1144212442 has 12 divisors (see below), whose sum is σ = 1749321630. Its totient is φ = 561309008.

The previous prime is 1144212437. The next prime is 1144212463. The reversal of 1144212442 is 2442124411.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1136970961 + 7241481 = 33719^2 + 2691^2 .

It is a super-2 number, since 2×1144212442² = 2618444224855206728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96217 + ... + 107452.

Almost surely, 2^1144212442 is an apocalyptic number.

1144212442 is a deficient number, since it is larger than the sum of its proper divisors (605109188).

1144212442 is an equidigital number, since it uses as much as digits as its factorization.

1144212442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203777 (or 203724 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1144212442 is about 33826.2093944917. The cubic root of 1144212442 is about 1045.9290417105.

Adding to 1144212442 its reverse (2442124411), we get a palindrome (3586336853).

The spelling of 1144212442 in words is "one billion, one hundred forty-four million, two hundred twelve thousand, four hundred forty-two".