1143773661342 has 32 divisors (see below), whose sum is σ = 2463694894080. Its totient is φ = 351904301280.

The previous prime is 1143773661287. The next prime is 1143773661343. The reversal of 1143773661342 is 2431663773411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1143773661291 and 1143773661300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143773661343) 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, 530967 + ... + 1602957.

It is an arithmetic number, because the mean of its divisors is an integer number (76990465440).

Almost surely, 2^{1143773661342} is an apocalyptic number.

1143773661342 is an abundant number, since it is smaller than the sum of its proper divisors (1319921232738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143773661342 is a wasteful number, since it uses less digits than its factorization.

1143773661342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085688.

The product of its digits is 1524096, while the sum is 48.

The spelling of 1143773661342 in words is "one trillion, one hundred forty-three billion, seven hundred seventy-three million, six hundred sixty-one thousand, three hundred forty-two".