142840622844 has 36 divisors (see below), whose sum is σ = 364443841944. Its totient is φ = 47168553312.

The previous prime is 142840622833. The next prime is 142840622879. The reversal of 142840622844 is 448226048241.

142840622844 is a `hidden beast` number, since 14 + 2 + 8 + 4 + 0 + 622 + 8 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142840622844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18537247 + ... + 18544950.

It is an arithmetic number, because the mean of its divisors is an integer number (10123440054).

Almost surely, 2^142840622844 is an apocalyptic number.

It is an amenable number.

142840622844 is an abundant number, since it is smaller than the sum of its proper divisors (221603219100).

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

142840622844 is a wasteful number, since it uses less digits than its factorization.

142840622844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37082314 (or 37082309 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 45.

The spelling of 142840622844 in words is "one hundred forty-two billion, eight hundred forty million, six hundred twenty-two thousand, eight hundred forty-four".