201445162 has 4 divisors (see below), whose sum is σ = 302167746. Its totient is φ = 100722580.

The previous prime is 201445151. The next prime is 201445183. The reversal of 201445162 is 261544102.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 119705481 + 81739681 = 10941^2 + 9041^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50361289 + ... + 50361292.

Almost surely, 2^201445162 is an apocalyptic number.

201445162 is a deficient number, since it is larger than the sum of its proper divisors (100722584).

201445162 is a wasteful number, since it uses less digits than its factorization.

201445162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100722583.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 201445162 is about 14193.1378489748. The cubic root of 201445162 is about 586.2087283090.

Adding to 201445162 its reverse (261544102), we get a palindrome (462989264).

The spelling of 201445162 in words is "two hundred one million, four hundred forty-five thousand, one hundred sixty-two".