148318515 has 12 divisors (see below), whose sum is σ = 257085504. Its totient is φ = 79103184.

The previous prime is 148318501. The next prime is 148318519. The reversal of 148318515 is 515813841.

148318515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148318515 - 2⁵ = 148318483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148318515.

It is not an unprimeable number, because it can be changed into a prime (148318519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647939 + ... + 1648028.

It is an arithmetic number, because the mean of its divisors is an integer number (21423792).

Almost surely, 2^148318515 is an apocalyptic number.

148318515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148318515 is a deficient number, since it is larger than the sum of its proper divisors (108766989).

148318515 is a wasteful number, since it uses less digits than its factorization.

148318515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295978 (or 3295975 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 148318515 is about 12178.6089107090. The cubic root of 148318515 is about 529.3364366789.

The spelling of 148318515 in words is "one hundred forty-eight million, three hundred eighteen thousand, five hundred fifteen".