149882321 has 2 divisors, whose sum is σ = 149882322. Its totient is φ = 149882320.

The previous prime is 149882311. The next prime is 149882339. The reversal of 149882321 is 123288941.

149882321 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., 136632721 + 13249600 = 11689^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 149882321 - 2²² = 145688017 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (149882311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74941160 + 74941161.

It is an arithmetic number, because the mean of its divisors is an integer number (74941161).

Almost surely, 2^149882321 is an apocalyptic number.

It is an amenable number.

149882321 is a deficient number, since it is larger than the sum of its proper divisors (1).

149882321 is an equidigital number, since it uses as much as digits as its factorization.

149882321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 149882321 is about 12242.6435462281. The cubic root of 149882321 is about 531.1903009087.

The spelling of 149882321 in words is "one hundred forty-nine million, eight hundred eighty-two thousand, three hundred twenty-one".