142000112505 has 32 divisors (see below), whose sum is σ = 237953433600. Its totient is φ = 72173280960.

The previous prime is 142000112497. The next prime is 142000112531. The reversal of 142000112505 is 505211000241.

It is not a de Polignac number, because 142000112505 - 2³ = 142000112497 is a prime.

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, 665905 + ... + 852894.

It is an arithmetic number, because the mean of its divisors is an integer number (7436044800).

Almost surely, 2^142000112505 is an apocalyptic number.

142000112505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142000112505 is a deficient number, since it is larger than the sum of its proper divisors (95953321095).

142000112505 is a wasteful number, since it uses less digits than its factorization.

142000112505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519101.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 142000112505 its reverse (505211000241), we get a palindrome (647211112746).

The spelling of 142000112505 in words is "one hundred forty-two billion, one hundred twelve thousand, five hundred five".