142205707 has 8 divisors (see below), whose sum is σ = 162698976. Its totient is φ = 121756992.

The previous prime is 142205669. The next prime is 142205737. The reversal of 142205707 is 707502241.

142205707 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 de Polignac number, because none of the positive numbers 2^k-142205707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142205737) 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, 3988 + ... + 17329.

It is an arithmetic number, because the mean of its divisors is an integer number (20337372).

Almost surely, 2^142205707 is an apocalyptic number.

142205707 is a deficient number, since it is larger than the sum of its proper divisors (20493269).

142205707 is an equidigital number, since it uses as much as digits as its factorization.

142205707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22277.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 142205707 is about 11925.0034381546. The cubic root of 142205707 is about 521.9621467146.

Adding to 142205707 its reverse (707502241), we get a palindrome (849707948).

The spelling of 142205707 in words is "one hundred forty-two million, two hundred five thousand, seven hundred seven".