142246612156 has 18 divisors (see below), whose sum is σ = 273619000760. Its totient is φ = 64657550760.

The previous prime is 142246612117. The next prime is 142246612187. The reversal of 142246612156 is 651216642241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146948496 + ... + 146949463.

Almost surely, 2^142246612156 is an apocalyptic number.

It is an amenable number.

142246612156 is a deficient number, since it is larger than the sum of its proper divisors (131372388604).

142246612156 is a wasteful number, since it uses less digits than its factorization.

142246612156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293897985 (or 293897972 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The spelling of 142246612156 in words is "one hundred forty-two billion, two hundred forty-six million, six hundred twelve thousand, one hundred fifty-six".