201045045 has 32 divisors (see below), whose sum is σ = 327659904. Its totient is φ = 105248000.

The previous prime is 201045011. The next prime is 201045067. The reversal of 201045045 is 540540102.

It is not a de Polignac number, because 201045045 - 2¹¹ = 201042997 is a prime.

It is a super-2 number, since 2×201045045² = 80838220238104050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197959 + ... + 198971.

It is an arithmetic number, because the mean of its divisors is an integer number (10239372).

Almost surely, 2^201045045 is an apocalyptic number.

It is an amenable number.

201045045 is a deficient number, since it is larger than the sum of its proper divisors (126614859).

201045045 is a wasteful number, since it uses less digits than its factorization.

201045045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 201045045 is about 14179.0354044272. The cubic root of 201045045 is about 585.8203553830.

Adding to 201045045 its reverse (540540102), we get a palindrome (741585147).

The spelling of 201045045 in words is "two hundred one million, forty-five thousand, forty-five".