162545201 has 12 divisors (see below), whose sum is σ = 203628852. Its totient is φ = 128606688.

The previous prime is 162545191. The next prime is 162545213. The reversal of 162545201 is 102545261.

It can be written as a sum of positive squares in 2 ways, for example, as 47541025 + 115004176 = 6895^2 + 10724^2 .

It is not a de Polignac number, because 162545201 - 2¹⁰ = 162544177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162545281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126950 + ... + 128223.

It is an arithmetic number, because the mean of its divisors is an integer number (16969071).

Almost surely, 2^162545201 is an apocalyptic number.

It is an amenable number.

162545201 is a deficient number, since it is larger than the sum of its proper divisors (41083651).

162545201 is a wasteful number, since it uses less digits than its factorization.

162545201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255200 (or 255193 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 162545201 is about 12749.3215897945. The cubic root of 162545201 is about 545.7470338140.

The spelling of 162545201 in words is "one hundred sixty-two million, five hundred forty-five thousand, two hundred one".