142938995775 has 24 divisors (see below), whose sum is σ = 236340706560. Its totient is φ = 76229324640.

The previous prime is 142938995767. The next prime is 142938995813. The reversal of 142938995775 is 577599839241.

It is not a de Polignac number, because 142938995775 - 2³ = 142938995767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1359546 + ... + 1460904.

It is an arithmetic number, because the mean of its divisors is an integer number (9847529440).

Almost surely, 2^142938995775 is an apocalyptic number.

142938995775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142938995775 is a deficient number, since it is larger than the sum of its proper divisors (93401710785).

142938995775 is a wasteful number, since it uses less digits than its factorization.

142938995775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120175 (or 120170 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 69.

The spelling of 142938995775 in words is "one hundred forty-two billion, nine hundred thirty-eight million, nine hundred ninety-five thousand, seven hundred seventy-five".