142868099 has 16 divisors (see below), whose sum is σ = 158378976. Its totient is φ = 127795200.

The previous prime is 142868093. The next prime is 142868129. The reversal of 142868099 is 990868241.

142868099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142868099 - 2⁴ = 142868083 is a prime.

It is a super-2 number, since 2×142868099² = 40822587423747602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142868093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273959 + ... + 274479.

It is an arithmetic number, because the mean of its divisors is an integer number (9898686).

Almost surely, 2^142868099 is an apocalyptic number.

142868099 is a deficient number, since it is larger than the sum of its proper divisors (15510877).

142868099 is a wasteful number, since it uses less digits than its factorization.

142868099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 142868099 is about 11952.7444128953. The cubic root of 142868099 is about 522.7713221918.

The spelling of 142868099 in words is "one hundred forty-two million, eight hundred sixty-eight thousand, ninety-nine".