142861775577 has 4 divisors (see below), whose sum is σ = 190482367440. Its totient is φ = 95241183716.

The previous prime is 142861775543. The next prime is 142861775597. The reversal of 142861775577 is 775577168241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142861775577 - 2⁷ = 142861775449 is a prime.

It is a super-3 number, since 3×142861775577³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 142861775577.

It is not an unprimeable number, because it can be changed into a prime (142861775597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23810295927 + ... + 23810295932.

It is an arithmetic number, because the mean of its divisors is an integer number (47620591860).

Almost surely, 2^142861775577 is an apocalyptic number.

It is an amenable number.

142861775577 is a deficient number, since it is larger than the sum of its proper divisors (47620591863).

142861775577 is an equidigital number, since it uses as much as digits as its factorization.

142861775577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47620591862.

The product of its digits is 23049600, while the sum is 60.

The spelling of 142861775577 in words is "one hundred forty-two billion, eight hundred sixty-one million, seven hundred seventy-five thousand, five hundred seventy-seven".