148997759 has 2 divisors, whose sum is σ = 148997760. Its totient is φ = 148997758.

The previous prime is 148997711. The next prime is 148997777. The reversal of 148997759 is 957799841.

It is a strong prime.

It is an emirp because it is prime and its reverse (957799841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148997759 - 2²⁰ = 147949183 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148997698 and 148997707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148997789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74498879 + 74498880.

It is an arithmetic number, because the mean of its divisors is an integer number (74498880).

Almost surely, 2^148997759 is an apocalyptic number.

148997759 is a deficient number, since it is larger than the sum of its proper divisors (1).

148997759 is an equidigital number, since it uses as much as digits as its factorization.

148997759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 59.

The square root of 148997759 is about 12206.4638204519. The cubic root of 148997759 is about 530.1432613791.

The spelling of 148997759 in words is "one hundred forty-eight million, nine hundred ninety-seven thousand, seven hundred fifty-nine".