148154081 has 2 divisors, whose sum is σ = 148154082. Its totient is φ = 148154080.

The previous prime is 148154029. The next prime is 148154089. The reversal of 148154081 is 180451841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144985681 + 3168400 = 12041^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148154081 is a prime.

It is a super-2 number, since 2×148154081² = 43899263433909122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148154089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74077040 + 74077041.

It is an arithmetic number, because the mean of its divisors is an integer number (74077041).

Almost surely, 2^148154081 is an apocalyptic number.

It is an amenable number.

148154081 is a deficient number, since it is larger than the sum of its proper divisors (1).

148154081 is an equidigital number, since it uses as much as digits as its factorization.

148154081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 148154081 is about 12171.8561033229. The cubic root of 148154081 is about 529.1407472566.

The spelling of 148154081 in words is "one hundred forty-eight million, one hundred fifty-four thousand, eighty-one".