142239105315 has 72 divisors (see below), whose sum is σ = 270935580240. Its totient is φ = 68936254464.

The previous prime is 142239105289. The next prime is 142239105329. The reversal of 142239105315 is 513501932241.

142239105315 = 2³ + 3³ + ... + 868³.

It is a happy number.

142239105315 is a `hidden beast` number, since 1 + 4 + 2 + 239 + 105 + 315 = 666.

It is a Cunningham number, because it is equal to 377146²-1.

It is not a de Polignac number, because 142239105315 - 2⁶ = 142239105251 is a prime.

It is a super-3 number, since 3×142239105315³ (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 142239105315.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 188572 + ... + 565718.

It is an arithmetic number, because the mean of its divisors is an integer number (3762994170).

Almost surely, 2^142239105315 is an apocalyptic number.

142239105315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142239105315 is a deficient number, since it is larger than the sum of its proper divisors (128696474925).

142239105315 is a wasteful number, since it uses less digits than its factorization.

142239105315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377221 (or 377201 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 142239105315 in words is "one hundred forty-two billion, two hundred thirty-nine million, one hundred five thousand, three hundred fifteen".