142940168644 has 48 divisors (see below), whose sum is σ = 307903098496. Its totient is φ = 56541888000.

The previous prime is 142940168641. The next prime is 142940168677. The reversal of 142940168644 is 446861049241.

It is not an unprimeable number, because it can be changed into a prime (142940168641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5666179 + ... + 5691349.

Almost surely, 2^142940168644 is an apocalyptic number.

142940168644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142940168644 is an abundant number, since it is smaller than the sum of its proper divisors (164962929852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142940168644 is a wasteful number, since it uses less digits than its factorization.

142940168644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40796 (or 40794 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 142940168644 in words is "one hundred forty-two billion, nine hundred forty million, one hundred sixty-eight thousand, six hundred forty-four".