148075409 has 2 divisors, whose sum is σ = 148075410. Its totient is φ = 148075408.

The previous prime is 148075397. The next prime is 148075429. The reversal of 148075409 is 904570841.

148075409 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., 103225600 + 44849809 = 10160^2 + 6697^2 .

It is a cyclic number.

It is not a de Polignac number, because 148075409 - 2⁸ = 148075153 is a prime.

It is not a weakly prime, because it can be changed into another prime (148075429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74037704 + 74037705.

It is an arithmetic number, because the mean of its divisors is an integer number (74037705).

Almost surely, 2^148075409 is an apocalyptic number.

It is an amenable number.

148075409 is a deficient number, since it is larger than the sum of its proper divisors (1).

148075409 is an equidigital number, since it uses as much as digits as its factorization.

148075409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 148075409 is about 12168.6239567175. The cubic root of 148075409 is about 529.0470701621.

The spelling of 148075409 in words is "one hundred forty-eight million, seventy-five thousand, four hundred nine".