148718847 has 4 divisors (see below), whose sum is σ = 198291800. Its totient is φ = 99145896.

The previous prime is 148718813. The next prime is 148718861. The reversal of 148718847 is 748817841.

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

It is not a de Polignac number, because 148718847 - 2¹⁵ = 148686079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148718796 and 148718805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148718887) 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, 24786472 + ... + 24786477.

It is an arithmetic number, because the mean of its divisors is an integer number (49572950).

Almost surely, 2^148718847 is an apocalyptic number.

148718847 is a deficient number, since it is larger than the sum of its proper divisors (49572953).

148718847 is an equidigital number, since it uses as much as digits as its factorization.

148718847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49572952.

The product of its digits is 401408, while the sum is 48.

The square root of 148718847 is about 12195.0337022905. The cubic root of 148718847 is about 529.8122593623.

The spelling of 148718847 in words is "one hundred forty-eight million, seven hundred eighteen thousand, eight hundred forty-seven".