148519847 has 4 divisors (see below), whose sum is σ = 169736976. Its totient is φ = 127302720.

The previous prime is 148519831. The next prime is 148519873. The reversal of 148519847 is 748915841.

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

It is a cyclic number.

It is not a de Polignac number, because 148519847 - 2⁴ = 148519831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148519247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10608554 + ... + 10608567.

It is an arithmetic number, because the mean of its divisors is an integer number (42434244).

Almost surely, 2^148519847 is an apocalyptic number.

148519847 is a deficient number, since it is larger than the sum of its proper divisors (21217129).

148519847 is an equidigital number, since it uses as much as digits as its factorization.

148519847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21217128.

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

The square root of 148519847 is about 12186.8719120207. The cubic root of 148519847 is about 529.5758407710.

The spelling of 148519847 in words is "one hundred forty-eight million, five hundred nineteen thousand, eight hundred forty-seven".