203145232 has 60 divisors (see below), whose sum is σ = 421647616. Its totient is φ = 94711680.

The previous prime is 203145227. The next prime is 203145253. The reversal of 203145232 is 232541302.

It is a super-3 number, since 3×203145232³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416893 + ... + 417379.

Almost surely, 2^203145232 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 203145232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210823808).

203145232 is an abundant number, since it is smaller than the sum of its proper divisors (218502384).

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

203145232 is a wasteful number, since it uses less digits than its factorization.

203145232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 203145232 is about 14252.9025815797. The cubic root of 203145232 is about 587.8531880836.

Adding to 203145232 its reverse (232541302), we get a palindrome (435686534).

The spelling of 203145232 in words is "two hundred three million, one hundred forty-five thousand, two hundred thirty-two".