1144142244 has 72 divisors (see below), whose sum is σ = 3375660288. Its totient is φ = 319939200.

The previous prime is 1144142189. The next prime is 1144142261. The reversal of 1144142244 is 4422414411.

It is a happy number.

1144142244 is a `hidden beast` number, since 1 + 1 + 4 + 414 + 2 + 244 = 666.

It is a super-2 number, since 2×1144142244² = 2618122949010711072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36457 + ... + 60144.

Almost surely, 2^1144142244 is an apocalyptic number.

1144142244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1144142244 is an abundant number, since it is smaller than the sum of its proper divisors (2231518044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144142244 is a wasteful number, since it uses less digits than its factorization.

1144142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96665 (or 96660 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1144142244 is about 33825.1717512269. The cubic root of 1144142244 is about 1045.9076518515.

Adding to 1144142244 its reverse (4422414411), we get a palindrome (5566556655).

The spelling of 1144142244 in words is "one billion, one hundred forty-four million, one hundred forty-two thousand, two hundred forty-four".