148464643 has 4 divisors (see below), whose sum is σ = 149461200. Its totient is φ = 147468088.

The previous prime is 148464637. The next prime is 148464653. The reversal of 148464643 is 346464841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346464841 = 2039 ⋅169919.

It is a cyclic number.

It is not a de Polignac number, because 148464643 - 2⁹ = 148464131 is a prime.

It is a super-2 number, since 2×148464643² = 44083500442234898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148464596 and 148464605.

It is not an unprimeable number, because it can be changed into a prime (148464623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498055 + ... + 498352.

It is an arithmetic number, because the mean of its divisors is an integer number (37365300).

Almost surely, 2^148464643 is an apocalyptic number.

148464643 is a deficient number, since it is larger than the sum of its proper divisors (996557).

148464643 is an equidigital number, since it uses as much as digits as its factorization.

148464643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996556.

The product of its digits is 221184, while the sum is 40.

The square root of 148464643 is about 12184.6068053097. The cubic root of 148464643 is about 529.5102191764.

The spelling of 148464643 in words is "one hundred forty-eight million, four hundred sixty-four thousand, six hundred forty-three".