203148352 has 84 divisors (see below), whose sum is σ = 455719180. Its totient is φ = 89717760.

The previous prime is 203148331. The next prime is 203148371. The reversal of 203148352 is 253841302.

It can be written as a sum of positive squares in 2 ways, for example, as 106007616 + 97140736 = 10296^2 + 9856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203148352.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 286174 + ... + 286882.

Almost surely, 2^203148352 is an apocalyptic number.

203148352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203148352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227859590).

203148352 is an abundant number, since it is smaller than the sum of its proper divisors (252570828).

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

203148352 is a wasteful number, since it uses less digits than its factorization.

203148352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 203148352 is about 14253.0120325495. The cubic root of 203148352 is about 587.8561975768.

Adding to 203148352 its reverse (253841302), we get a palindrome (456989654).

The spelling of 203148352 in words is "two hundred three million, one hundred forty-eight thousand, three hundred fifty-two".