203545340 has 12 divisors (see below), whose sum is σ = 427445256. Its totient is φ = 81418128.

The previous prime is 203545337. The next prime is 203545373. The reversal of 203545340 is 43545302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5088614 + ... + 5088653.

It is an arithmetic number, because the mean of its divisors is an integer number (35620438).

Almost surely, 2^203545340 is an apocalyptic number.

203545340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203545340 is an abundant number, since it is smaller than the sum of its proper divisors (223899916).

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

203545340 is a wasteful number, since it uses less digits than its factorization.

203545340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177276 (or 10177274 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 203545340 is about 14266.9316953576. The cubic root of 203545340 is about 588.2388735900.

The spelling of 203545340 in words is "two hundred three million, five hundred forty-five thousand, three hundred forty".