162154241 has 2 divisors, whose sum is σ = 162154242. Its totient is φ = 162154240.

The previous prime is 162154231. The next prime is 162154249. The reversal of 162154241 is 142451261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156375025 + 5779216 = 12505^2 + 2404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162154241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162154241.

It is not a weakly prime, because it can be changed into another prime (162154249) 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, 81077120 + 81077121.

It is an arithmetic number, because the mean of its divisors is an integer number (81077121).

Almost surely, 2^162154241 is an apocalyptic number.

It is an amenable number.

162154241 is a deficient number, since it is larger than the sum of its proper divisors (1).

162154241 is an equidigital number, since it uses as much as digits as its factorization.

162154241 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 162154241 is about 12733.9797785296. The cubic root of 162154241 is about 545.3091319201.

The spelling of 162154241 in words is "one hundred sixty-two million, one hundred fifty-four thousand, two hundred forty-one".