148718538 has 16 divisors (see below), whose sum is σ = 330485760. Its totient is φ = 49572828.

The previous prime is 148718519. The next prime is 148718573. The reversal of 148718538 is 835817841.

It is a happy number.

148718538 is a `hidden beast` number, since 1 + 48 + 71 + 8 + 538 = 666.

148718538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 148718493 and 148718502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376970 + ... + 1377077.

It is an arithmetic number, because the mean of its divisors is an integer number (20655360).

Almost surely, 2^148718538 is an apocalyptic number.

148718538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

148718538 is an abundant number, since it is smaller than the sum of its proper divisors (181767222).

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

148718538 is a wasteful number, since it uses less digits than its factorization.

148718538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754058 (or 2754052 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 148718538 is about 12195.0210331922. The cubic root of 148718538 is about 529.8118924236.

It can be divided in two parts, 14871 and 8538, that added together give a square (23409 = 153²).

The spelling of 148718538 in words is "one hundred forty-eight million, seven hundred eighteen thousand, five hundred thirty-eight".