142785000078 has 32 divisors (see below), whose sum is σ = 326380982784. Its totient is φ = 40793805792.

The previous prime is 142785000041. The next prime is 142785000079. The reversal of 142785000078 is 870000587241.

142785000078 is a nontrivial binomial coefficient, being equal to C(534388, 2).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142785000079) 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, 1001976 + ... + 1135572.

It is an arithmetic number, because the mean of its divisors is an integer number (10199405712).

Almost surely, 2^142785000078 is an apocalyptic number.

142785000078 is the 534387-th triangular number and also the 267194-th hexagonal number.

142785000078 is an abundant number, since it is smaller than the sum of its proper divisors (183595982706).

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

142785000078 is a wasteful number, since it uses less digits than its factorization.

142785000078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159056.

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 142785000078 in words is "one hundred forty-two billion, seven hundred eighty-five million, seventy-eight", and thus it is an aban number.