148947518 has 4 divisors (see below), whose sum is σ = 223421280. Its totient is φ = 74473758.

The previous prime is 148947439. The next prime is 148947527. The reversal of 148947518 is 815749841.

148947518 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236878 + ... + 37236881.

It is an arithmetic number, because the mean of its divisors is an integer number (55855320).

Almost surely, 2^148947518 is an apocalyptic number.

148947518 is a deficient number, since it is larger than the sum of its proper divisors (74473762).

148947518 is an equidigital number, since it uses as much as digits as its factorization.

148947518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74473761.

The product of its digits is 322560, while the sum is 47.

The square root of 148947518 is about 12204.4056799174. The cubic root of 148947518 is about 530.0836678165.

The spelling of 148947518 in words is "one hundred forty-eight million, nine hundred forty-seven thousand, five hundred eighteen".