201552146 has 32 divisors (see below), whose sum is σ = 323326080. Its totient is φ = 94057600.

The previous prime is 201552107. The next prime is 201552157. The reversal of 201552146 is 641255102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311195 + ... + 311841.

It is an arithmetic number, because the mean of its divisors is an integer number (10103940).

Almost surely, 2^201552146 is an apocalyptic number.

201552146 is a deficient number, since it is larger than the sum of its proper divisors (121773934).

201552146 is a wasteful number, since it uses less digits than its factorization.

201552146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 201552146 is about 14196.9062122703. The cubic root of 201552146 is about 586.3124850088.

The spelling of 201552146 in words is "two hundred one million, five hundred fifty-two thousand, one hundred forty-six".