201055045 has 4 divisors (see below), whose sum is σ = 241266060. Its totient is φ = 160844032.

The previous prime is 201054991. The next prime is 201055051. The reversal of 201055045 is 540550102.

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 31169889 + 169885156 = 5583^2 + 13034^2 .

It is a cyclic number.

It is not a de Polignac number, because 201055045 - 2¹⁷ = 200923973 is a prime.

It is a super-3 number, since 3×201055045³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20105500 + ... + 20105509.

It is an arithmetic number, because the mean of its divisors is an integer number (60316515).

Almost surely, 2^201055045 is an apocalyptic number.

It is an amenable number.

201055045 is a deficient number, since it is larger than the sum of its proper divisors (40211015).

201055045 is an equidigital number, since it uses as much as digits as its factorization.

201055045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40211014.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 201055045 is about 14179.3880333391. The cubic root of 201055045 is about 585.8300681423.

The spelling of 201055045 in words is "two hundred one million, fifty-five thousand, forty-five".