142291287255 has 32 divisors (see below), whose sum is σ = 245301912576. Its totient is φ = 70015929984.

The previous prime is 142291287253. The next prime is 142291287269. The reversal of 142291287255 is 552782192241.

It is not a de Polignac number, because 142291287255 - 2¹ = 142291287253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142291287253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208434 + ... + 572736.

It is an arithmetic number, because the mean of its divisors is an integer number (7665684768).

Almost surely, 2^142291287255 is an apocalyptic number.

142291287255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142291287255 is a deficient number, since it is larger than the sum of its proper divisors (103010625321).

142291287255 is a wasteful number, since it uses less digits than its factorization.

142291287255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366327.

The product of its digits is 806400, while the sum is 48.

The spelling of 142291287255 in words is "one hundred forty-two billion, two hundred ninety-one million, two hundred eighty-seven thousand, two hundred fifty-five".