142826099 has 4 divisors (see below), whose sum is σ = 153812736. Its totient is φ = 131839464.

The previous prime is 142826087. The next prime is 142826137. The reversal of 142826099 is 990628241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142826099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142826009) 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 3 ways as a sum of consecutive naturals, for example, 5493299 + ... + 5493324.

It is an arithmetic number, because the mean of its divisors is an integer number (38453184).

Almost surely, 2^142826099 is an apocalyptic number.

142826099 is a deficient number, since it is larger than the sum of its proper divisors (10986637).

142826099 is a wasteful number, since it uses less digits than its factorization.

142826099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986636.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 142826099 is about 11950.9873650674. The cubic root of 142826099 is about 522.7200895103.

The spelling of 142826099 in words is "one hundred forty-two million, eight hundred twenty-six thousand, ninety-nine".