142347775 has 12 divisors (see below), whose sum is σ = 176692312. Its totient is φ = 113761440.

The previous prime is 142347767. The next prime is 142347797. The reversal of 142347775 is 577743241.

It is not a de Polignac number, because 142347775 - 2³ = 142347767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28624 + ... + 33226.

Almost surely, 2^142347775 is an apocalyptic number.

142347775 is a deficient number, since it is larger than the sum of its proper divisors (34344537).

142347775 is a wasteful number, since it uses less digits than its factorization.

142347775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5845 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 142347775 is about 11930.9586789998. The cubic root of 142347775 is about 522.1359077622.

The spelling of 142347775 in words is "one hundred forty-two million, three hundred forty-seven thousand, seven hundred seventy-five".