1142143635 has 32 divisors (see below), whose sum is σ = 1840608000. Its totient is φ = 604771200.

The previous prime is 1142143631. The next prime is 1142143697. The reversal of 1142143635 is 5363412411.

It is not a de Polignac number, because 1142143635 - 2² = 1142143631 is a prime.

It is a super-3 number, since 3×1142143635³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142143631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2288616 + ... + 2289114.

It is an arithmetic number, because the mean of its divisors is an integer number (57519000).

Almost surely, 2^1142143635 is an apocalyptic number.

1142143635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142143635 is a deficient number, since it is larger than the sum of its proper divisors (698464365).

1142143635 is a wasteful number, since it uses less digits than its factorization.

1142143635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its digits is 8640, while the sum is 30.

The square root of 1142143635 is about 33795.6156180058. The cubic root of 1142143635 is about 1045.2982932395.

The spelling of 1142143635 in words is "one billion, one hundred forty-two million, one hundred forty-three thousand, six hundred thirty-five".