1142254184 has 16 divisors (see below), whose sum is σ = 2157136800. Its totient is φ = 567017712.

The previous prime is 1142254181. The next prime is 1142254187. The reversal of 1142254184 is 4814522411.

It is an interprime number because it is at equal distance from previous prime (1142254181) and next prime (1142254187).

It is a self number, because there is not a number n which added to its sum of digits gives 1142254184.

It is not an unprimeable number, because it can be changed into a prime (1142254181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512492 + ... + 514715.

It is an arithmetic number, because the mean of its divisors is an integer number (134821050).

Almost surely, 2^1142254184 is an apocalyptic number.

It is an amenable number.

1142254184 is a deficient number, since it is larger than the sum of its proper divisors (1014882616).

1142254184 is a wasteful number, since it uses less digits than its factorization.

1142254184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027352 (or 1027348 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 1142254184 is about 33797.2511308242. The cubic root of 1142254184 is about 1045.3320172387.

Adding to 1142254184 its reverse (4814522411), we get a palindrome (5956776595).

The spelling of 1142254184 in words is "one billion, one hundred forty-two million, two hundred fifty-four thousand, one hundred eighty-four".