142166701 has 2 divisors, whose sum is σ = 142166702. Its totient is φ = 142166700.

The previous prime is 142166641. The next prime is 142166707. The reversal of 142166701 is 107661241.

142166701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141633801 + 532900 = 11901^2 + 730^2 .

It is an emirp because it is prime and its reverse (107661241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142166701 - 2¹³ = 142158509 is a prime.

It is a super-2 number, since 2×142166701² = 40422741746446802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142166701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142166707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71083350 + 71083351.

It is an arithmetic number, because the mean of its divisors is an integer number (71083351).

Almost surely, 2^142166701 is an apocalyptic number.

It is an amenable number.

142166701 is a deficient number, since it is larger than the sum of its proper divisors (1).

142166701 is an equidigital number, since it uses as much as digits as its factorization.

142166701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 142166701 is about 11923.3678547632. The cubic root of 142166701 is about 521.9144188662.

The spelling of 142166701 in words is "one hundred forty-two million, one hundred sixty-six thousand, seven hundred one".