142659433980 has 432 divisors, whose sum is σ = 528705515520. Its totient is φ = 32190867072.

The previous prime is 142659433951. The next prime is 142659433993. The reversal of 142659433980 is 89334956241.

142659433980 is a `hidden beast` number, since 1 + 42 + 6 + 594 + 3 + 3 + 9 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18809269 + ... + 18816851.

It is an arithmetic number, because the mean of its divisors is an integer number (1223855360).

Almost surely, 2^142659433980 is an apocalyptic number.

142659433980 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 142659433980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264352757760).

142659433980 is an abundant number, since it is smaller than the sum of its proper divisors (386046081540).

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

142659433980 is a wasteful number, since it uses less digits than its factorization.

142659433980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7700 (or 7679 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 142659433980 in words is "one hundred forty-two billion, six hundred fifty-nine million, four hundred thirty-three thousand, nine hundred eighty".