162542141 has 2 divisors, whose sum is σ = 162542142. Its totient is φ = 162542140.

The previous prime is 162542123. The next prime is 162542167. The reversal of 162542141 is 141245261.

It is an a-pointer prime, because the next prime (162542167) can be obtained adding 162542141 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153239641 + 9302500 = 12379^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 162542141 - 2⁶ = 162542077 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162542141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162572141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81271070 + 81271071.

It is an arithmetic number, because the mean of its divisors is an integer number (81271071).

Almost surely, 2^162542141 is an apocalyptic number.

It is an amenable number.

162542141 is a deficient number, since it is larger than the sum of its proper divisors (1).

162542141 is an equidigital number, since it uses as much as digits as its factorization.

162542141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 162542141 is about 12749.2015828443. The cubic root of 162542141 is about 545.7436091329.

The spelling of 162542141 in words is "one hundred sixty-two million, five hundred forty-two thousand, one hundred forty-one".