162554243 has 2 divisors, whose sum is σ = 162554244. Its totient is φ = 162554242.

The previous prime is 162554213. The next prime is 162554257. The reversal of 162554243 is 342455261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162554243 - 2²⁰ = 161505667 is a prime.

It is not a weakly prime, because it can be changed into another prime (162554213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81277121 + 81277122.

It is an arithmetic number, because the mean of its divisors is an integer number (81277122).

Almost surely, 2^162554243 is an apocalyptic number.

162554243 is a deficient number, since it is larger than the sum of its proper divisors (1).

162554243 is an equidigital number, since it uses as much as digits as its factorization.

162554243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 162554243 is about 12749.6761919666. The cubic root of 162554243 is about 545.7571531596.

The spelling of 162554243 in words is "one hundred sixty-two million, five hundred fifty-four thousand, two hundred forty-three".