148049449 has 2 divisors, whose sum is σ = 148049450. Its totient is φ = 148049448.

The previous prime is 148049441. The next prime is 148049497. The reversal of 148049449 is 944940841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120560400 + 27489049 = 10980^2 + 5243^2 .

It is a cyclic number.

It is not a de Polignac number, because 148049449 - 2³ = 148049441 is a prime.

It is not a weakly prime, because it can be changed into another prime (148049441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74024724 + 74024725.

It is an arithmetic number, because the mean of its divisors is an integer number (74024725).

Almost surely, 2^148049449 is an apocalyptic number.

It is an amenable number.

148049449 is a deficient number, since it is larger than the sum of its proper divisors (1).

148049449 is an equidigital number, since it uses as much as digits as its factorization.

148049449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 148049449 is about 12167.5572322467. The cubic root of 148049449 is about 529.0161515360.

The spelling of 148049449 in words is "one hundred forty-eight million, forty-nine thousand, four hundred forty-nine".