148268489 has 2 divisors, whose sum is σ = 148268490. Its totient is φ = 148268488.

The previous prime is 148268473. The next prime is 148268537. The reversal of 148268489 is 984862841.

148268489 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., 86174089 + 62094400 = 9283^2 + 7880^2 .

It is a cyclic number.

It is not a de Polignac number, because 148268489 - 2⁴ = 148268473 is a prime.

It is not a weakly prime, because it can be changed into another prime (148268459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74134244 + 74134245.

It is an arithmetic number, because the mean of its divisors is an integer number (74134245).

Almost surely, 2^148268489 is an apocalyptic number.

It is an amenable number.

148268489 is a deficient number, since it is larger than the sum of its proper divisors (1).

148268489 is an equidigital number, since it uses as much as digits as its factorization.

148268489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 50.

The square root of 148268489 is about 12176.5548904442. The cubic root of 148268489 is about 529.2769171097.

The spelling of 148268489 in words is "one hundred forty-eight million, two hundred sixty-eight thousand, four hundred eighty-nine".