1142303144233 has 4 divisors (see below), whose sum is σ = 1161029425348. Its totient is φ = 1123576863120.

The previous prime is 1142303144159. The next prime is 1142303144263. The reversal of 1142303144233 is 3324413032411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 170241235609 + 972061908624 = 412603^2 + 985932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142303144233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142303144195 and 1142303144204.

It is not an unprimeable number, because it can be changed into a prime (1142303144263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9363140466 + ... + 9363140587.

It is an arithmetic number, because the mean of its divisors is an integer number (290257356337).

Almost surely, 2^{1142303144233} is an apocalyptic number.

It is an amenable number.

1142303144233 is a deficient number, since it is larger than the sum of its proper divisors (18726281115).

1142303144233 is an equidigital number, since it uses as much as digits as its factorization.

1142303144233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726281114.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1142303144233 its reverse (3324413032411), we get a palindrome (4466716176644).

The spelling of 1142303144233 in words is "one trillion, one hundred forty-two billion, three hundred three million, one hundred forty-four thousand, two hundred thirty-three".