148186518 has 16 divisors (see below), whose sum is σ = 313806960. Its totient is φ = 46489856.

The previous prime is 148186487. The next prime is 148186523. The reversal of 148186518 is 815681841.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148186518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726303 + ... + 726506.

It is an arithmetic number, because the mean of its divisors is an integer number (19612935).

Almost surely, 2^148186518 is an apocalyptic number.

148186518 is an abundant number, since it is smaller than the sum of its proper divisors (165620442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148186518 is a wasteful number, since it uses less digits than its factorization.

148186518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452831.

The product of its digits is 61440, while the sum is 42.

The square root of 148186518 is about 12173.1884894632. The cubic root of 148186518 is about 529.1793613036.

The spelling of 148186518 in words is "one hundred forty-eight million, one hundred eighty-six thousand, five hundred eighteen".