1142344026 has 16 divisors (see below), whose sum is σ = 2538542400. Its totient is φ = 380781324.

The previous prime is 1142344003. The next prime is 1142344039. The reversal of 1142344026 is 6204432411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 10577206 + ... + 10577313.

It is an arithmetic number, because the mean of its divisors is an integer number (158658900).

Almost surely, 2^1142344026 is an apocalyptic number.

1142344026 is an abundant number, since it is smaller than the sum of its proper divisors (1396198374).

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

1142344026 is a wasteful number, since it uses less digits than its factorization.

1142344026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154530 (or 21154524 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1142344026 is about 33798.5802364537. The cubic root of 1142344026 is about 1045.3594227725.

Adding to 1142344026 its reverse (6204432411), we get a palindrome (7346776437).

The spelling of 1142344026 in words is "one billion, one hundred forty-two million, three hundred forty-four thousand, twenty-six".