148947349 has 2 divisors, whose sum is σ = 148947350. Its totient is φ = 148947348.

The previous prime is 148947269. The next prime is 148947361. The reversal of 148947349 is 943749841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130302225 + 18645124 = 11415^2 + 4318^2 .

It is an emirp because it is prime and its reverse (943749841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148947349 - 2²⁵ = 115392917 is a prime.

It is a super-3 number, since 3×148947349³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148947389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74473674 + 74473675.

It is an arithmetic number, because the mean of its divisors is an integer number (74473675).

Almost surely, 2^148947349 is an apocalyptic number.

It is an amenable number.

148947349 is a deficient number, since it is larger than the sum of its proper divisors (1).

148947349 is an equidigital number, since it uses as much as digits as its factorization.

148947349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 148947349 is about 12204.3987561862. The cubic root of 148947349 is about 530.0834673338.

The spelling of 148947349 in words is "one hundred forty-eight million, nine hundred forty-seven thousand, three hundred forty-nine".