148079609 has 2 divisors, whose sum is σ = 148079610. Its totient is φ = 148079608.

The previous prime is 148079579. The next prime is 148079621. The reversal of 148079609 is 906970841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 50623225 = 9872^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 148079609 - 2⁸ = 148079353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148079609.

It is not a weakly prime, because it can be changed into another prime (148079669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74039804 + 74039805.

It is an arithmetic number, because the mean of its divisors is an integer number (74039805).

Almost surely, 2^148079609 is an apocalyptic number.

It is an amenable number.

148079609 is a deficient number, since it is larger than the sum of its proper divisors (1).

148079609 is an equidigital number, since it uses as much as digits as its factorization.

148079609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 148079609 is about 12168.7965304709. The cubic root of 148079609 is about 529.0520720656.

The spelling of 148079609 in words is "one hundred forty-eight million, seventy-nine thousand, six hundred nine".