142643164146 has 128 divisors (see below), whose sum is σ = 343421890560. Its totient is φ = 38617337088.

The previous prime is 142643164127. The next prime is 142643164151. The reversal of 142643164146 is 641461346241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142643164098 and 142643164107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82309096 + ... + 82310828.

It is an arithmetic number, because the mean of its divisors is an integer number (2682983520).

Almost surely, 2^142643164146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142643164146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171710945280).

142643164146 is an abundant number, since it is smaller than the sum of its proper divisors (200778726414).

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

142643164146 is a wasteful number, since it uses less digits than its factorization.

142643164146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its digits is 331776, while the sum is 42.

The spelling of 142643164146 in words is "one hundred forty-two billion, six hundred forty-three million, one hundred sixty-four thousand, one hundred forty-six".