201145320445 has 32 divisors (see below), whose sum is σ = 253633835520. Its totient is φ = 152842609920.

The previous prime is 201145320433. The next prime is 201145320461. The reversal of 201145320445 is 544023541102.

It is not a de Polignac number, because 201145320445 - 2¹³ = 201145312253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42986616 + ... + 42991294.

It is an arithmetic number, because the mean of its divisors is an integer number (7926057360).

Almost surely, 2^201145320445 is an apocalyptic number.

It is an amenable number.

201145320445 is a deficient number, since it is larger than the sum of its proper divisors (52488515075).

201145320445 is a wasteful number, since it uses less digits than its factorization.

201145320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 201145320445 its reverse (544023541102), we get a palindrome (745168861547).

The spelling of 201145320445 in words is "two hundred one billion, one hundred forty-five million, three hundred twenty thousand, four hundred forty-five".