403243148 has 90 divisors (see below), whose sum is σ = 907490388. Its totient is φ = 156654960.

The previous prime is 403243147. The next prime is 403243157. The reversal of 403243148 is 841342304.

It is a self number, because there is not a number n which added to its sum of digits gives 403243148.

It is not an unprimeable number, because it can be changed into a prime (403243147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1161911 + ... + 1162257.

Almost surely, 2^403243148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403243148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453745194).

403243148 is an abundant number, since it is smaller than the sum of its proper divisors (504247240).

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

403243148 is a wasteful number, since it uses less digits than its factorization.

403243148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 403243148 is about 20080.9150189925. The cubic root of 403243148 is about 738.7922519765.

The spelling of 403243148 in words is "four hundred three million, two hundred forty-three thousand, one hundred forty-eight".