201045146 has 8 divisors (see below), whose sum is σ = 304553844. Its totient is φ = 99527200.

The previous prime is 201045113. The next prime is 201045209. The reversal of 201045146 is 641540102.

It can be written as a sum of positive squares in 2 ways, for example, as 200533921 + 511225 = 14161^2 + 715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201045146² = 80838301460322632, which contains 22 as substring.

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, 497435 + ... + 497838.

Almost surely, 2^201045146 is an apocalyptic number.

201045146 is a deficient number, since it is larger than the sum of its proper divisors (103508698).

201045146 is a wasteful number, since it uses less digits than its factorization.

201045146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995376.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 201045146 is about 14179.0389660230. The cubic root of 201045146 is about 585.8204534835.

Adding to 201045146 its reverse (641540102), we get a palindrome (842585248).

The spelling of 201045146 in words is "two hundred one million, forty-five thousand, one hundred forty-six".