201051045 has 64 divisors (see below), whose sum is σ = 388819200. Its totient is φ = 97977600.

The previous prime is 201051043. The next prime is 201051047. The reversal of 201051045 is 540150102.

It is an interprime number because it is at equal distance from previous prime (201051043) and next prime (201051047).

It is not a de Polignac number, because 201051045 - 2¹ = 201051043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201051043) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 190770 + ... + 191820.

It is an arithmetic number, because the mean of its divisors is an integer number (6075300).

Almost surely, 2^201051045 is an apocalyptic number.

It is an amenable number.

201051045 is a deficient number, since it is larger than the sum of its proper divisors (187768155).

201051045 is a wasteful number, since it uses less digits than its factorization.

201051045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 201051045 is about 14179.2469828267. The cubic root of 201051045 is about 585.8261830773.

The spelling of 201051045 in words is "two hundred one million, fifty-one thousand, forty-five".