98145161 has 2 divisors, whose sum is σ = 98145162. Its totient is φ = 98145160.

The previous prime is 98145139. The next prime is 98145167. The reversal of 98145161 is 16154189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 17935225 = 8956^2 + 4235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98145161 is a prime.

It is not a weakly prime, because it can be changed into another prime (98145167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49072580 + 49072581.

It is an arithmetic number, because the mean of its divisors is an integer number (49072581).

Almost surely, 2^98145161 is an apocalyptic number.

It is an amenable number.

98145161 is a deficient number, since it is larger than the sum of its proper divisors (1).

98145161 is an equidigital number, since it uses as much as digits as its factorization.

98145161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 35.

The square root of 98145161 is about 9906.8239612905. The cubic root of 98145161 is about 461.2711548428.

The spelling of 98145161 in words is "ninety-eight million, one hundred forty-five thousand, one hundred sixty-one".