201145424403 has 16 divisors (see below), whose sum is σ = 334371614976. Its totient is φ = 104491129440.

The previous prime is 201145424399. The next prime is 201145424423. The reversal of 201145424403 is 304424541102.

It is not a de Polignac number, because 201145424403 - 2² = 201145424399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201145424423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435379476 + ... + 435379937.

It is an arithmetic number, because the mean of its divisors is an integer number (20898225936).

Almost surely, 2^201145424403 is an apocalyptic number.

201145424403 is a deficient number, since it is larger than the sum of its proper divisors (133226190573).

201145424403 is a wasteful number, since it uses less digits than its factorization.

201145424403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870759434.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 201145424403 its reverse (304424541102), we get a palindrome (505569965505).

The spelling of 201145424403 in words is "two hundred one billion, one hundred forty-five million, four hundred twenty-four thousand, four hundred three".