142175442340776 has 128 divisors (see below), whose sum is σ = 391724992391040. Its totient is φ = 42724233216000.

The previous prime is 142175442340759. The next prime is 142175442340793. The reversal of 142175442340776 is 677043244571241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142175442340759) and next prime (142175442340793).

It is a super-2 number, since 2×142175442340776² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122325576 + ... + 123482376.

It is an arithmetic number, because the mean of its divisors is an integer number (3060351503055).

Almost surely, 2^{142175442340776} 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 142175442340776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195862496195520).

142175442340776 is an abundant number, since it is smaller than the sum of its proper divisors (249549550050264).

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

142175442340776 is a wasteful number, since it uses less digits than its factorization.

142175442340776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166027 (or 1166023 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 57.

The spelling of 142175442340776 in words is "one hundred forty-two trillion, one hundred seventy-five billion, four hundred forty-two million, three hundred forty thousand, seven hundred seventy-six".