148518719 has 4 divisors (see below), whose sum is σ = 150553296. Its totient is φ = 146484144.

The previous prime is 148518701. The next prime is 148518739. The reversal of 148518719 is 917815841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148518719 - 2¹⁶ = 148453183 is a prime.

It is a super-2 number, since 2×148518719² = 44115619786801922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148518719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148518739) 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 3 ways as a sum of consecutive naturals, for example, 1017179 + ... + 1017324.

It is an arithmetic number, because the mean of its divisors is an integer number (37638324).

Almost surely, 2^148518719 is an apocalyptic number.

148518719 is a deficient number, since it is larger than the sum of its proper divisors (2034577).

148518719 is an equidigital number, since it uses as much as digits as its factorization.

148518719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034576.

The product of its digits is 80640, while the sum is 44.

The square root of 148518719 is about 12186.8256326248. The cubic root of 148518719 is about 529.5745000679.

The spelling of 148518719 in words is "one hundred forty-eight million, five hundred eighteen thousand, seven hundred nineteen".