148850321 has 2 divisors, whose sum is σ = 148850322. Its totient is φ = 148850320.

The previous prime is 148850231. The next prime is 148850327. The reversal of 148850321 is 123058841.

148850321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (148850231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147889921 + 960400 = 12161^2 + 980^2 .

It is an emirp because it is prime and its reverse (123058841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148850321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148850327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74425160 + 74425161.

It is an arithmetic number, because the mean of its divisors is an integer number (74425161).

Almost surely, 2^148850321 is an apocalyptic number.

It is an amenable number.

148850321 is a deficient number, since it is larger than the sum of its proper divisors (1).

148850321 is an equidigital number, since it uses as much as digits as its factorization.

148850321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 148850321 is about 12200.4229844707. The cubic root of 148850321 is about 529.9683391553.

The spelling of 148850321 in words is "one hundred forty-eight million, eight hundred fifty thousand, three hundred twenty-one".