142085757 has 8 divisors (see below), whose sum is σ = 206670240. Its totient is φ = 86112560.

The previous prime is 142085753. The next prime is 142085773. The reversal of 142085757 is 757580241.

142085757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142085757 - 2² = 142085753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142085753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152782 + ... + 2152847.

It is an arithmetic number, because the mean of its divisors is an integer number (25833780).

Almost surely, 2^142085757 is an apocalyptic number.

It is an amenable number.

142085757 is a deficient number, since it is larger than the sum of its proper divisors (64584483).

142085757 is a wasteful number, since it uses less digits than its factorization.

142085757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305643.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 142085757 is about 11919.9730284930. The cubic root of 142085757 is about 521.8153477039.

The spelling of 142085757 in words is "one hundred forty-two million, eighty-five thousand, seven hundred fifty-seven".