203145014 has 4 divisors (see below), whose sum is σ = 304717524. Its totient is φ = 101572506.

The previous prime is 203145013. The next prime is 203145031. The reversal of 203145014 is 410541302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203145013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50786252 + ... + 50786255.

It is an arithmetic number, because the mean of its divisors is an integer number (76179381).

Almost surely, 2^203145014 is an apocalyptic number.

203145014 is a deficient number, since it is larger than the sum of its proper divisors (101572510).

203145014 is a wasteful number, since it uses less digits than its factorization.

203145014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101572509.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 203145014 is about 14252.8949340125. The cubic root of 203145014 is about 587.8529778038.

Adding to 203145014 its reverse (410541302), we get a palindrome (613686316).

The spelling of 203145014 in words is "two hundred three million, one hundred forty-five thousand, fourteen".