142720675 has 12 divisors (see below), whose sum is σ = 178002000. Its totient is φ = 113513120.

The previous prime is 142720657. The next prime is 142720703. The reversal of 142720675 is 576027241.

It is not a de Polignac number, because 142720675 - 2⁹ = 142720163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142720675.

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 11 ways as a sum of consecutive naturals, for example, 12175 + ... + 20824.

It is an arithmetic number, because the mean of its divisors is an integer number (14833500).

Almost surely, 2^142720675 is an apocalyptic number.

142720675 is a deficient number, since it is larger than the sum of its proper divisors (35281325).

142720675 is a wasteful number, since it uses less digits than its factorization.

142720675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33182 (or 33177 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 142720675 is about 11946.5758692606. The cubic root of 142720675 is about 522.5914463388.

The spelling of 142720675 in words is "one hundred forty-two million, seven hundred twenty thousand, six hundred seventy-five".