148034321 has 2 divisors, whose sum is σ = 148034322. Its totient is φ = 148034320.

The previous prime is 148034297. The next prime is 148034329. The reversal of 148034321 is 123430841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147889921 + 144400 = 12161^2 + 380^2 .

It is an emirp because it is prime and its reverse (123430841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148034321 - 2²² = 143840017 is a prime.

It is not a weakly prime, because it can be changed into another prime (148034329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74017160 + 74017161.

It is an arithmetic number, because the mean of its divisors is an integer number (74017161).

Almost surely, 2^148034321 is an apocalyptic number.

It is an amenable number.

148034321 is a deficient number, since it is larger than the sum of its proper divisors (1).

148034321 is an equidigital number, since it uses as much as digits as its factorization.

148034321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 148034321 is about 12166.9355632386. The cubic root of 148034321 is about 528.9981322661.

The spelling of 148034321 in words is "one hundred forty-eight million, thirty-four thousand, three hundred twenty-one".