1142231143345 has 16 divisors (see below), whose sum is σ = 1418629800960. Its totient is φ = 881847193024.

The previous prime is 1142231143327. The next prime is 1142231143363. The reversal of 1142231143345 is 5433411322411.

It is an interprime number because it is at equal distance from previous prime (1142231143327) and next prime (1142231143363).

It is a cyclic number.

It is not a de Polignac number, because 1142231143345 - 2⁷ = 1142231143217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142231143345.

It is an unprimeable number.

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, 1610089 + ... + 2208358.

It is an arithmetic number, because the mean of its divisors is an integer number (88664362560).

Almost surely, 2^{1142231143345} is an apocalyptic number.

It is an amenable number.

1142231143345 is a deficient number, since it is larger than the sum of its proper divisors (276398657615).

1142231143345 is a wasteful number, since it uses less digits than its factorization.

1142231143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820544.

The product of its digits is 34560, while the sum is 34.

Adding to 1142231143345 its reverse (5433411322411), we get a palindrome (6575642465756).

The spelling of 1142231143345 in words is "one trillion, one hundred forty-two billion, two hundred thirty-one million, one hundred forty-three thousand, three hundred forty-five".