1142424245 has 16 divisors (see below), whose sum is σ = 1416407040. Its totient is φ = 883660800.

The previous prime is 1142424233. The next prime is 1142424251. The reversal of 1142424245 is 5424242411.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1142424245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215780 + ... + 221010.

It is an arithmetic number, because the mean of its divisors is an integer number (88525440).

Almost surely, 2^1142424245 is an apocalyptic number.

It is an amenable number.

1142424245 is a deficient number, since it is larger than the sum of its proper divisors (273982795).

1142424245 is a wasteful number, since it uses less digits than its factorization.

1142424245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676.

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

The square root of 1142424245 is about 33799.7669370663. The cubic root of 1142424245 is about 1045.3838916782.

Adding to 1142424245 its reverse (5424242411), we get a palindrome (6566666656).

The spelling of 1142424245 in words is "one billion, one hundred forty-two million, four hundred twenty-four thousand, two hundred forty-five".