148240549 has 2 divisors, whose sum is σ = 148240550. Its totient is φ = 148240548.

The previous prime is 148240531. The next prime is 148240559. The reversal of 148240549 is 945042841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145202500 + 3038049 = 12050^2 + 1743^2 .

It is a cyclic number.

It is not a de Polignac number, because 148240549 - 2¹⁵ = 148207781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148240559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74120274 + 74120275.

It is an arithmetic number, because the mean of its divisors is an integer number (74120275).

Almost surely, 2^148240549 is an apocalyptic number.

It is an amenable number.

148240549 is a deficient number, since it is larger than the sum of its proper divisors (1).

148240549 is an equidigital number, since it uses as much as digits as its factorization.

148240549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 148240549 is about 12175.4075496470. The cubic root of 148240549 is about 529.2436690335.

The spelling of 148240549 in words is "one hundred forty-eight million, two hundred forty thousand, five hundred forty-nine".