142343975 has 24 divisors (see below), whose sum is σ = 191260080. Its totient is φ = 104670720.

The previous prime is 142343969. The next prime is 142343983. The reversal of 142343975 is 579343241.

It is not a de Polignac number, because 142343975 - 2¹⁸ = 142081831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14381 + ... + 22169.

It is an arithmetic number, because the mean of its divisors is an integer number (7969170).

Almost surely, 2^142343975 is an apocalyptic number.

142343975 is a deficient number, since it is larger than the sum of its proper divisors (48916105).

142343975 is a wasteful number, since it uses less digits than its factorization.

142343975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859 (or 7854 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 142343975 is about 11930.7994283703. The cubic root of 142343975 is about 522.1312615495.

The spelling of 142343975 in words is "one hundred forty-two million, three hundred forty-three thousand, nine hundred seventy-five".