148424481 has 20 divisors (see below), whose sum is σ = 222543684. Its totient is φ = 98582400.

The previous prime is 148424477. The next prime is 148424509. The reversal of 148424481 is 184424841.

It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 26873856 = 11025^2 + 5184^2 .

It is not a de Polignac number, because 148424481 - 2² = 148424477 is a prime.

It is a super-2 number, since 2×148424481² = 44059653120238722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148424401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19501 + ... + 26021.

Almost surely, 2^148424481 is an apocalyptic number.

It is an amenable number.

148424481 is a deficient number, since it is larger than the sum of its proper divisors (74119203).

148424481 is an equidigital number, since it uses as much as digits as its factorization.

148424481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6805 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 148424481 is about 12182.9586308089. The cubic root of 148424481 is about 529.4624679478.

The spelling of 148424481 in words is "one hundred forty-eight million, four hundred twenty-four thousand, four hundred eighty-one".