142109075 has 24 divisors (see below), whose sum is σ = 190039920. Its totient is φ = 105062400.

The previous prime is 142109057. The next prime is 142109087. The reversal of 142109075 is 570901241.

It is not a de Polignac number, because 142109075 - 2⁸ = 142108819 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15827 + ... + 23123.

It is an arithmetic number, because the mean of its divisors is an integer number (7918330).

Almost surely, 2^142109075 is an apocalyptic number.

142109075 is a deficient number, since it is larger than the sum of its proper divisors (47930845).

142109075 is a wasteful number, since it uses less digits than its factorization.

142109075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367 (or 7362 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 142109075 is about 11920.9510946065. The cubic root of 142109075 is about 521.8438915565.

The spelling of 142109075 in words is "one hundred forty-two million, one hundred nine thousand, seventy-five".