142692899 has 4 divisors (see below), whose sum is σ = 144296280. Its totient is φ = 141089520.

The previous prime is 142692887. The next prime is 142692911. The reversal of 142692899 is 998296241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998296241 = 28087 ⋅35543.

It is an interprime number because it is at equal distance from previous prime (142692887) and next prime (142692911).

It is a cyclic number.

It is not a de Polignac number, because 142692899 - 2¹⁶ = 142627363 is a prime.

It is a super-2 number, since 2×142692899² = 40722526850048402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142692839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801557 + ... + 801734.

It is an arithmetic number, because the mean of its divisors is an integer number (36074070).

Almost surely, 2^142692899 is an apocalyptic number.

142692899 is a deficient number, since it is larger than the sum of its proper divisors (1603381).

142692899 is an equidigital number, since it uses as much as digits as its factorization.

142692899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603380.

The product of its digits is 559872, while the sum is 50.

The square root of 142692899 is about 11945.4133038585. The cubic root of 142692899 is about 522.5575422536.

The spelling of 142692899 in words is "one hundred forty-two million, six hundred ninety-two thousand, eight hundred ninety-nine".