142292986578 has 162 divisors, whose sum is σ = 332767815471. Its totient is φ = 45630547776.

The previous prime is 142292986523. The next prime is 142292986597. The reversal of 142292986578 is 875689292241.

142292986578 is a `hidden beast` number, since 14 + 2 + 29 + 29 + 8 + 6 + 578 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 88513985169 + 53779001409 = 297513^2 + 231903^2 .

It is a tau number, because it is divible by the number of its divisors (162).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=266733.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1598797558 + ... + 1598797646.

Almost surely, 2^142292986578 is an apocalyptic number.

142292986578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142292986578

142292986578 is an abundant number, since it is smaller than the sum of its proper divisors (190474828893).

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

142292986578 is an frugal number, since it uses more digits than its factorization.

142292986578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 131 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 142292986578 in words is "one hundred forty-two billion, two hundred ninety-two million, nine hundred eighty-six thousand, five hundred seventy-eight".