142149335 has 4 divisors (see below), whose sum is σ = 170579208. Its totient is φ = 113719464.

The previous prime is 142149331. The next prime is 142149379. The reversal of 142149335 is 533941241.

142149335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142149335 - 2² = 142149331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142149331) 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, 14214929 + ... + 14214938.

It is an arithmetic number, because the mean of its divisors is an integer number (42644802).

Almost surely, 2^142149335 is an apocalyptic number.

142149335 is a deficient number, since it is larger than the sum of its proper divisors (28429873).

142149335 is an equidigital number, since it uses as much as digits as its factorization.

142149335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28429872.

The product of its digits is 12960, while the sum is 32.

The square root of 142149335 is about 11922.6395986795. The cubic root of 142149335 is about 521.8931669725.

The spelling of 142149335 in words is "one hundred forty-two million, one hundred forty-nine thousand, three hundred thirty-five".