142155359866 has 16 divisors (see below), whose sum is σ = 229648809600. Its totient is φ = 65606386608.

The previous prime is 142155359849. The next prime is 142155359867. The reversal of 142155359866 is 668953551241.

It is not an unprimeable number, because it can be changed into a prime (142155359867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331155 + ... + 627673.

It is an arithmetic number, because the mean of its divisors is an integer number (14353050600).

Almost surely, 2^142155359866 is an apocalyptic number.

142155359866 is a deficient number, since it is larger than the sum of its proper divisors (87493449734).

142155359866 is a wasteful number, since it uses less digits than its factorization.

142155359866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314973.

The product of its digits is 7776000, while the sum is 55.

The spelling of 142155359866 in words is "one hundred forty-two billion, one hundred fifty-five million, three hundred fifty-nine thousand, eight hundred sixty-six".