201004213045 has 4 divisors (see below), whose sum is σ = 241205055660. Its totient is φ = 160803370432.

The previous prime is 201004213037. The next prime is 201004213087. The reversal of 201004213045 is 540312400102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159723319716 + 41280893329 = 399654^2 + 203177^2 .

It is a cyclic number.

It is not a de Polignac number, because 201004213045 - 2³ = 201004213037 is a prime.

It is a super-3 number, since 3×201004213045³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20100421300 + ... + 20100421309.

It is an arithmetic number, because the mean of its divisors is an integer number (60301263915).

Almost surely, 2^201004213045 is an apocalyptic number.

It is an amenable number.

201004213045 is a deficient number, since it is larger than the sum of its proper divisors (40200842615).

201004213045 is an equidigital number, since it uses as much as digits as its factorization.

201004213045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40200842614.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 201004213045 its reverse (540312400102), we get a palindrome (741316613147).

The spelling of 201004213045 in words is "two hundred one billion, four million, two hundred thirteen thousand, forty-five".