142610705 has 8 divisors (see below), whose sum is σ = 181199592. Its totient is φ = 107377408.

The previous prime is 142610693. The next prime is 142610711. The reversal of 142610705 is 507016241.

It can be written as a sum of positive squares in 4 ways, for example, as 62615569 + 79995136 = 7913^2 + 8944^2 .

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 142610705 - 2⁶ = 142610641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838802 + ... + 838971.

It is an arithmetic number, because the mean of its divisors is an integer number (22649949).

Almost surely, 2^142610705 is an apocalyptic number.

It is an amenable number.

142610705 is a deficient number, since it is larger than the sum of its proper divisors (38588887).

142610705 is a wasteful number, since it uses less digits than its factorization.

142610705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677795.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 142610705 is about 11941.9724082749. The cubic root of 142610705 is about 522.4571884064.

Adding to 142610705 its reverse (507016241), we get a palindrome (649626946).

The spelling of 142610705 in words is "one hundred forty-two million, six hundred ten thousand, seven hundred five".