142542063644 has 96 divisors (see below), whose sum is σ = 277098178560. Its totient is φ = 63856900800.

The previous prime is 142542063619. The next prime is 142542063683. The reversal of 142542063644 is 446360245241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60117779 + ... + 60120149.

It is an arithmetic number, because the mean of its divisors is an integer number (2886439360).

Almost surely, 2^142542063644 is an apocalyptic number.

It is an amenable number.

142542063644 is a deficient number, since it is larger than the sum of its proper divisors (134556114916).

142542063644 is a wasteful number, since it uses less digits than its factorization.

142542063644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 142542063644 in words is "one hundred forty-two billion, five hundred forty-two million, sixty-three thousand, six hundred forty-four".