201445013 has 16 divisors (see below), whose sum is σ = 257281920. Its totient is φ = 153139200.

The previous prime is 201445001. The next prime is 201445039. The reversal of 201445013 is 310544102.

It is a cyclic number.

It is not a de Polignac number, because 201445013 - 2⁸ = 201444757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201445073) 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, 28748 + ... + 35061.

It is an arithmetic number, because the mean of its divisors is an integer number (16080120).

Almost surely, 2^201445013 is an apocalyptic number.

It is an amenable number.

201445013 is a deficient number, since it is larger than the sum of its proper divisors (55836907).

201445013 is a wasteful number, since it uses less digits than its factorization.

201445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63868.

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

The square root of 201445013 is about 14193.1325999583. The cubic root of 201445013 is about 586.2085837782.

Adding to 201445013 its reverse (310544102), we get a palindrome (511989115).

The spelling of 201445013 in words is "two hundred one million, four hundred forty-five thousand, thirteen".