201206445 has 16 divisors (see below), whose sum is σ = 351196992. Its totient is φ = 97554560.

The previous prime is 201206419. The next prime is 201206449. The reversal of 201206445 is 544602102.

It is not a de Polignac number, because 201206445 - 2⁵ = 201206413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201206449) 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, 609552 + ... + 609881.

It is an arithmetic number, because the mean of its divisors is an integer number (21949812).

Almost surely, 2^201206445 is an apocalyptic number.

It is an amenable number.

201206445 is a deficient number, since it is larger than the sum of its proper divisors (149990547).

201206445 is a wasteful number, since it uses less digits than its factorization.

201206445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219452.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 201206445 is about 14184.7257640040. The cubic root of 201206445 is about 585.9770799859.

Adding to 201206445 its reverse (544602102), we get a palindrome (745808547).

It can be divided in two parts, 20120 and 6445, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 201206445 in words is "two hundred one million, two hundred six thousand, four hundred forty-five".