148857161 has 2 divisors, whose sum is σ = 148857162. Its totient is φ = 148857160.

The previous prime is 148857157. The next prime is 148857193. The reversal of 148857161 is 161758841.

148857161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148840000 + 17161 = 12200^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 148857161 - 2² = 148857157 is a prime.

It is a super-3 number, since 3×148857161³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (148857061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74428580 + 74428581.

It is an arithmetic number, because the mean of its divisors is an integer number (74428581).

Almost surely, 2^148857161 is an apocalyptic number.

It is an amenable number.

148857161 is a deficient number, since it is larger than the sum of its proper divisors (1).

148857161 is an equidigital number, since it uses as much as digits as its factorization.

148857161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 41.

The square root of 148857161 is about 12200.7032994004. The cubic root of 148857161 is about 529.9764567684.

The spelling of 148857161 in words is "one hundred forty-eight million, eight hundred fifty-seven thousand, one hundred sixty-one".