1142838246 has 32 divisors (see below), whose sum is σ = 2495116800. Its totient is φ = 346085280.

The previous prime is 1142838241. The next prime is 1142838247. The reversal of 1142838246 is 6428382411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142838241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113235 + ... + 122913.

It is an arithmetic number, because the mean of its divisors is an integer number (77972400).

Almost surely, 2^1142838246 is an apocalyptic number.

1142838246 is an abundant number, since it is smaller than the sum of its proper divisors (1352278554).

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

1142838246 is a wasteful number, since it uses less digits than its factorization.

1142838246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484.

The product of its digits is 73728, while the sum is 39.

The square root of 1142838246 is about 33805.8906996991. The cubic root of 1142838246 is about 1045.5101546696.

The spelling of 1142838246 in words is "one billion, one hundred forty-two million, eight hundred thirty-eight thousand, two hundred forty-six".