201445131895 has 16 divisors (see below), whose sum is σ = 276882926400. Its totient is φ = 137826146304.

The previous prime is 201445131869. The next prime is 201445131913. The reversal of 201445131895 is 598131544102.

It is not a de Polignac number, because 201445131895 - 2³³ = 192855197303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6393612 + ... + 6425041.

It is an arithmetic number, because the mean of its divisors is an integer number (17305182900).

Almost surely, 2^201445131895 is an apocalyptic number.

201445131895 is a deficient number, since it is larger than the sum of its proper divisors (75437794505).

201445131895 is a wasteful number, since it uses less digits than its factorization.

201445131895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12819114.

The product of its (nonzero) digits is 172800, while the sum is 43.

Adding to 201445131895 its reverse (598131544102), we get a palindrome (799576675997).

The spelling of 201445131895 in words is "two hundred one billion, four hundred forty-five million, one hundred thirty-one thousand, eight hundred ninety-five".