1142542340503 has 4 divisors (see below), whose sum is σ = 1164099743208. Its totient is φ = 1120984937800.

The previous prime is 1142542340479. The next prime is 1142542340579. The reversal of 1142542340503 is 3050432452411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142542340503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142542340003) 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, 10778701273 + ... + 10778701378.

It is an arithmetic number, because the mean of its divisors is an integer number (291024935802).

Almost surely, 2^{1142542340503} is an apocalyptic number.

1142542340503 is a deficient number, since it is larger than the sum of its proper divisors (21557402705).

1142542340503 is an equidigital number, since it uses as much as digits as its factorization.

1142542340503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557402704.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1142542340503 its reverse (3050432452411), we get a palindrome (4192974792914).

The spelling of 1142542340503 in words is "one trillion, one hundred forty-two billion, five hundred forty-two million, three hundred forty thousand, five hundred three".