1143342051 has 16 divisors (see below), whose sum is σ = 1532244480. Its totient is φ = 758344320.

The previous prime is 1143342049. The next prime is 1143342071. The reversal of 1143342051 is 1502433411.

It is a happy number.

It is not a de Polignac number, because 1143342051 - 2¹ = 1143342049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143342001) 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, 767115 + ... + 768603.

It is an arithmetic number, because the mean of its divisors is an integer number (95765280).

Almost surely, 2^1143342051 is an apocalyptic number.

1143342051 is a deficient number, since it is larger than the sum of its proper divisors (388902429).

1143342051 is a wasteful number, since it uses less digits than its factorization.

1143342051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1143342051 is about 33813.3413167052. The cubic root of 1143342051 is about 1045.6637651690.

Adding to 1143342051 its reverse (1502433411), we get a palindrome (2645775462).

The spelling of 1143342051 in words is "one billion, one hundred forty-three million, three hundred forty-two thousand, fifty-one".