1143214042 has 16 divisors (see below), whose sum is σ = 1724292864. Its totient is φ = 568458000.

The previous prime is 1143213991. The next prime is 1143214069. The reversal of 1143214042 is 2404123411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356667 + ... + 359857.

It is an arithmetic number, because the mean of its divisors is an integer number (107768304).

Almost surely, 2^1143214042 is an apocalyptic number.

1143214042 is a deficient number, since it is larger than the sum of its proper divisors (581078822).

1143214042 is a wasteful number, since it uses less digits than its factorization.

1143214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1143214042 is about 33811.4483866042. The cubic root of 1143214042 is about 1045.6247394116.

Adding to 1143214042 its reverse (2404123411), we get a palindrome (3547337453).

The spelling of 1143214042 in words is "one billion, one hundred forty-three million, two hundred fourteen thousand, forty-two".