142021052043045 has 64 divisors (see below), whose sum is σ = 266527316851200. Its totient is φ = 64548626386944.

The previous prime is 142021052043041. The next prime is 142021052043049. The reversal of 142021052043045 is 540340250120241.

It is an interprime number because it is at equal distance from previous prime (142021052043041) and next prime (142021052043049).

It is not a de Polignac number, because 142021052043045 - 2² = 142021052043041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142021052042997 and 142021052043015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142021052043041) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 78889404 + ... + 80669573.

It is an arithmetic number, because the mean of its divisors is an integer number (4164489325800).

Almost surely, 2^{142021052043045} is an apocalyptic number.

142021052043045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142021052043045 is a deficient number, since it is larger than the sum of its proper divisors (124506264808155).

142021052043045 is a wasteful number, since it uses less digits than its factorization.

142021052043045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159559179 (or 159559165 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 142021052043045 in words is "one hundred forty-two trillion, twenty-one billion, fifty-two million, forty-three thousand, forty-five".