148645799 has 2 divisors, whose sum is σ = 148645800. Its totient is φ = 148645798.

The previous prime is 148645781. The next prime is 148645801. The reversal of 148645799 is 997546841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148645799 - 2⁸ = 148645543 is a prime.

Together with 148645801, it forms a pair of twin primes.

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 148645799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148645199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74322899 + 74322900.

It is an arithmetic number, because the mean of its divisors is an integer number (74322900).

Almost surely, 2^148645799 is an apocalyptic number.

148645799 is a deficient number, since it is larger than the sum of its proper divisors (1).

148645799 is an equidigital number, since it uses as much as digits as its factorization.

148645799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 148645799 is about 12192.0383447560. The cubic root of 148645799 is about 529.7255004321.

The spelling of 148645799 in words is "one hundred forty-eight million, six hundred forty-five thousand, seven hundred ninety-nine".