148924189 has 2 divisors, whose sum is σ = 148924190. Its totient is φ = 148924188.

The previous prime is 148924163. The next prime is 148924207. The reversal of 148924189 is 981429841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146821689 + 2102500 = 12117^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 148924189 - 2⁵ = 148924157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148924289) 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, 74462094 + 74462095.

It is an arithmetic number, because the mean of its divisors is an integer number (74462095).

Almost surely, 2^148924189 is an apocalyptic number.

It is an amenable number.

148924189 is a deficient number, since it is larger than the sum of its proper divisors (1).

148924189 is an equidigital number, since it uses as much as digits as its factorization.

148924189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 46.

The square root of 148924189 is about 12203.4498810787. The cubic root of 148924189 is about 530.0559914740.

The spelling of 148924189 in words is "one hundred forty-eight million, nine hundred twenty-four thousand, one hundred eighty-nine".