142577101 has 2 divisors, whose sum is σ = 142577102. Its totient is φ = 142577100.

The previous prime is 142577081. The next prime is 142577117. The reversal of 142577101 is 101775241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132273001 + 10304100 = 11501^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 142577101 - 2¹¹ = 142575053 is a prime.

It is a super-3 number, since 3×142577101³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142577101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142574101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71288550 + 71288551.

It is an arithmetic number, because the mean of its divisors is an integer number (71288551).

Almost surely, 2^142577101 is an apocalyptic number.

It is an amenable number.

142577101 is a deficient number, since it is larger than the sum of its proper divisors (1).

142577101 is an equidigital number, since it uses as much as digits as its factorization.

142577101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 142577101 is about 11940.5653551245. The cubic root of 142577101 is about 522.4161488726.

The spelling of 142577101 in words is "one hundred forty-two million, five hundred seventy-seven thousand, one hundred one".