142894696303656 has 576 divisors, whose sum is σ = 452788590159360. Its totient is φ = 40618263628800.

The previous prime is 142894696303633. The next prime is 142894696303657. The reversal of 142894696303656 is 656303696498241.

142894696303656 is a `hidden beast` number, since 1 + 4 + 2 + 89 + 469 + 6 + 3 + 0 + 36 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (142894696303657) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1187986590 + ... + 1188106866.

It is an arithmetic number, because the mean of its divisors is an integer number (786091302360).

Almost surely, 2^{142894696303656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142894696303656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226394295079680).

142894696303656 is an abundant number, since it is smaller than the sum of its proper divisors (309893893855704).

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

142894696303656 is a wasteful number, since it uses less digits than its factorization.

142894696303656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120478 (or 120460 counting only the distinct ones).

The product of its (nonzero) digits is 1209323520, while the sum is 72.

The spelling of 142894696303656 in words is "one hundred forty-two trillion, eight hundred ninety-four billion, six hundred ninety-six million, three hundred three thousand, six hundred fifty-six".