148436843 has 4 divisors (see below), whose sum is σ = 157168440. Its totient is φ = 139705248.

The previous prime is 148436839. The next prime is 148436867. The reversal of 148436843 is 348634841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348634841 = 43 ⋅8107787.

It is a cyclic number.

It is not a de Polignac number, because 148436843 - 2² = 148436839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148436843.

It is not an unprimeable number, because it can be changed into a prime (148436803) 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, 4365773 + ... + 4365806.

It is an arithmetic number, because the mean of its divisors is an integer number (39292110).

Almost surely, 2^148436843 is an apocalyptic number.

148436843 is a deficient number, since it is larger than the sum of its proper divisors (8731597).

148436843 is an equidigital number, since it uses as much as digits as its factorization.

148436843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731596.

The product of its digits is 221184, while the sum is 41.

The square root of 148436843 is about 12183.4659682703. The cubic root of 148436843 is about 529.4771668557.

The spelling of 148436843 in words is "one hundred forty-eight million, four hundred thirty-six thousand, eight hundred forty-three".