43642226142 has 32 divisors (see below), whose sum is σ = 97024154400. Its totient is φ = 14541194304.

The previous prime is 43642226083. The next prime is 43642226153. The reversal of 43642226142 is 24162224634.

43642226142 is a `hidden beast` number, since 4 + 3 + 642 + 2 + 2 + 6 + 1 + 4 + 2 = 666.

43642226142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×43642226142⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43642226097 and 43642226106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44167 + ... + 298722.

It is an arithmetic number, because the mean of its divisors is an integer number (3032004825).

Almost surely, 2^43642226142 is an apocalyptic number.

43642226142 is an abundant number, since it is smaller than the sum of its proper divisors (53381928258).

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

43642226142 is a wasteful number, since it uses less digits than its factorization.

43642226142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345257 (or 345251 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The spelling of 43642226142 in words is "forty-three billion, six hundred forty-two million, two hundred twenty-six thousand, one hundred forty-two".