148921349 has 2 divisors, whose sum is σ = 148921350. Its totient is φ = 148921348.

The previous prime is 148921327. The next prime is 148921379. The reversal of 148921349 is 943129841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 45024100 = 10193^2 + 6710^2 .

It is a cyclic number.

It is not a de Polignac number, because 148921349 - 2¹⁶ = 148855813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148921319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74460674 + 74460675.

It is an arithmetic number, because the mean of its divisors is an integer number (74460675).

Almost surely, 2^148921349 is an apocalyptic number.

It is an amenable number.

148921349 is a deficient number, since it is larger than the sum of its proper divisors (1).

148921349 is an equidigital number, since it uses as much as digits as its factorization.

148921349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 148921349 is about 12203.3335199854. Note that the first 3 decimals coincide. The cubic root of 148921349 is about 530.0526220446.

The spelling of 148921349 in words is "one hundred forty-eight million, nine hundred twenty-one thousand, three hundred forty-nine".