142069745680 has 80 divisors (see below), whose sum is σ = 333966124800. Its totient is φ = 56202702336.

The previous prime is 142069745621. The next prime is 142069745681. The reversal of 142069745680 is 86547960241.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (142069745681) 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, 2631922 + ... + 2685358.

It is an arithmetic number, because the mean of its divisors is an integer number (4174576560).

Almost surely, 2^142069745680 is an apocalyptic number.

142069745680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142069745680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166983062400).

142069745680 is an abundant number, since it is smaller than the sum of its proper divisors (191896379120).

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

142069745680 is a wasteful number, since it uses less digits than its factorization.

142069745680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53816 (or 53810 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 142069745680 in words is "one hundred forty-two billion, sixty-nine million, seven hundred forty-five thousand, six hundred eighty".