142370785 has 4 divisors (see below), whose sum is σ = 170844948. Its totient is φ = 113896624.

The previous prime is 142370771. The next prime is 142370797. The reversal of 142370785 is 587073241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31047184 + 111323601 = 5572^2 + 10551^2 .

It is a cyclic number.

It is not a de Polignac number, because 142370785 - 2⁹ = 142370273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14237074 + ... + 14237083.

It is an arithmetic number, because the mean of its divisors is an integer number (42711237).

Almost surely, 2^142370785 is an apocalyptic number.

It is an amenable number.

142370785 is a deficient number, since it is larger than the sum of its proper divisors (28474163).

142370785 is an equidigital number, since it uses as much as digits as its factorization.

142370785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474162.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 142370785 is about 11931.9229380683. The cubic root of 142370785 is about 522.1640400365.

The spelling of 142370785 in words is "one hundred forty-two million, three hundred seventy thousand, seven hundred eighty-five".