1142345211 has 16 divisors (see below), whose sum is σ = 1747497984. Its totient is φ = 650225664.

The previous prime is 1142345207. The next prime is 1142345213. The reversal of 1142345211 is 1125432411.

It is not a de Polignac number, because 1142345211 - 2² = 1142345207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142345213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100435 + ... + 111228.

It is an arithmetic number, because the mean of its divisors is an integer number (109218624).

Almost surely, 2^1142345211 is an apocalyptic number.

1142345211 is a deficient number, since it is larger than the sum of its proper divisors (605152773).

1142345211 is a wasteful number, since it uses less digits than its factorization.

1142345211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211930.

The product of its digits is 960, while the sum is 24.

The square root of 1142345211 is about 33798.5977667713. The cubic root of 1142345211 is about 1045.3597842370.

Adding to 1142345211 its reverse (1125432411), we get a palindrome (2267777622).

The spelling of 1142345211 in words is "one billion, one hundred forty-two million, three hundred forty-five thousand, two hundred eleven".