142110899 has 12 divisors (see below), whose sum is σ = 171413424. Its totient is φ = 115396272.

The previous prime is 142110889. The next prime is 142110901. The reversal of 142110899 is 998011241.

It is not a de Polignac number, because 142110899 - 2²⁴ = 125333683 is a prime.

It is a super-2 number, since 2×142110899² = 40391015229176402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142110869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25592 + ... + 30645.

It is an arithmetic number, because the mean of its divisors is an integer number (14284452).

Almost surely, 2^142110899 is an apocalyptic number.

142110899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

142110899 is a deficient number, since it is larger than the sum of its proper divisors (29302525).

142110899 is an equidigital number, since it uses as much as digits as its factorization.

142110899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56282 (or 56263 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 142110899 is about 11921.0275983239. The cubic root of 142110899 is about 521.8461242058.

The spelling of 142110899 in words is "one hundred forty-two million, one hundred ten thousand, eight hundred ninety-nine".