148866719 has 6 divisors (see below), whose sum is σ = 152103744. Its totient is φ = 145697180.

The previous prime is 148866703. The next prime is 148866763. The reversal of 148866719 is 917668841.

It is not a de Polignac number, because 148866719 - 2⁴ = 148866703 is a prime.

It is a super-2 number, since 2×148866719² = 44322600051649922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148862719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31487 + ... + 35904.

It is an arithmetic number, because the mean of its divisors is an integer number (25350624).

Almost surely, 2^148866719 is an apocalyptic number.

148866719 is a deficient number, since it is larger than the sum of its proper divisors (3237025).

148866719 is an frugal number, since it uses more digits than its factorization.

148866719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67485 (or 67438 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 148866719 is about 12201.0949918440. The cubic root of 148866719 is about 529.9877996480.

The spelling of 148866719 in words is "one hundred forty-eight million, eight hundred sixty-six thousand, seven hundred nineteen".