142235299 has 8 divisors (see below), whose sum is σ = 143990000. Its totient is φ = 140488992.

The previous prime is 142235293. The next prime is 142235321. The reversal of 142235299 is 992532241.

142235299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142235299 - 2⁹ = 142234787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142235293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36172 + ... + 39910.

It is an arithmetic number, because the mean of its divisors is an integer number (17998750).

Almost surely, 2^142235299 is an apocalyptic number.

142235299 is a deficient number, since it is larger than the sum of its proper divisors (1754701).

142235299 is a wasteful number, since it uses less digits than its factorization.

142235299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197.

The product of its digits is 38880, while the sum is 37.

The square root of 142235299 is about 11926.2441279726. The cubic root of 142235299 is about 521.9983497450.

The spelling of 142235299 in words is "one hundred forty-two million, two hundred thirty-five thousand, two hundred ninety-nine".