148913161 has 2 divisors, whose sum is σ = 148913162. Its totient is φ = 148913160.

The previous prime is 148913159. The next prime is 148913179. The reversal of 148913161 is 161319841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102414400 + 46498761 = 10120^2 + 6819^2 .

It is an emirp because it is prime and its reverse (161319841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148913161 - 2¹ = 148913159 is a prime.

Together with 148913159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148913101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74456580 + 74456581.

It is an arithmetic number, because the mean of its divisors is an integer number (74456581).

Almost surely, 2^148913161 is an apocalyptic number.

It is an amenable number.

148913161 is a deficient number, since it is larger than the sum of its proper divisors (1).

148913161 is an equidigital number, since it uses as much as digits as its factorization.

148913161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 148913161 is about 12202.9980332703. The cubic root of 148913161 is about 530.0429074079.

The spelling of 148913161 in words is "one hundred forty-eight million, nine hundred thirteen thousand, one hundred sixty-one".