148916161 has 2 divisors, whose sum is σ = 148916162. Its totient is φ = 148916160.

The previous prime is 148916153. The next prime is 148916171. The reversal of 148916161 is 161619841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142444225 + 6471936 = 11935^2 + 2544^2 .

It is a cyclic number.

It is not a de Polignac number, because 148916161 - 2³ = 148916153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148916161.

It is not a weakly prime, because it can be changed into another prime (148916101) 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, 74458080 + 74458081.

It is an arithmetic number, because the mean of its divisors is an integer number (74458081).

Almost surely, 2^148916161 is an apocalyptic number.

It is an amenable number.

148916161 is a deficient number, since it is larger than the sum of its proper divisors (1).

148916161 is an equidigital number, since it uses as much as digits as its factorization.

148916161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 37.

The square root of 148916161 is about 12203.1209532644. The cubic root of 148916161 is about 530.0464667934.

The spelling of 148916161 in words is "one hundred forty-eight million, nine hundred sixteen thousand, one hundred sixty-one".