142943541099 has 4 divisors (see below), whose sum is σ = 190591388136. Its totient is φ = 95295694064.

The previous prime is 142943541053. The next prime is 142943541107. The reversal of 142943541099 is 990145349241.

It is a happy number.

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-142943541099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142943541199) 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 3 ways as a sum of consecutive naturals, for example, 23823923514 + ... + 23823923519.

It is an arithmetic number, because the mean of its divisors is an integer number (47647847034).

Almost surely, 2^142943541099 is an apocalyptic number.

142943541099 is a deficient number, since it is larger than the sum of its proper divisors (47647847037).

142943541099 is an equidigital number, since it uses as much as digits as its factorization.

142943541099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47647847036.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 142943541099 in words is "one hundred forty-two billion, nine hundred forty-three million, five hundred forty-one thousand, ninety-nine".