148223840 has 24 divisors (see below), whose sum is σ = 350179200. Its totient is φ = 59289472.

The previous prime is 148223819. The next prime is 148223849. The reversal of 148223840 is 48322841.

148223840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 148223797 and 148223806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148223849) 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, 463040 + ... + 463359.

It is an arithmetic number, because the mean of its divisors is an integer number (14590800).

Almost surely, 2^148223840 is an apocalyptic number.

148223840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148223840 is an abundant number, since it is smaller than the sum of its proper divisors (201955360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148223840 is an equidigital number, since it uses as much as digits as its factorization.

148223840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926414 (or 926406 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 148223840 is about 12174.7213520474. The cubic root of 148223840 is about 529.2237836405.

Subtracting from 148223840 its reverse (48322841), we obtain a palindrome (99900999).

The spelling of 148223840 in words is "one hundred forty-eight million, two hundred twenty-three thousand, eight hundred forty".