201446402105 has 48 divisors (see below), whose sum is σ = 263211497136. Its totient is φ = 147938918400.

The previous prime is 201446402063. The next prime is 201446402117. The reversal of 201446402105 is 501204644102.

It can be written as a sum of positive squares in 24 ways, for example, as 101142444841 + 100303957264 = 318029^2 + 316708^2 .

It is not a de Polignac number, because 201446402105 - 2⁶ = 201446402041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146719199 + ... + 146720571.

It is an arithmetic number, because the mean of its divisors is an integer number (5483572857).

Almost surely, 2^201446402105 is an apocalyptic number.

It is an amenable number.

201446402105 is a deficient number, since it is larger than the sum of its proper divisors (61765095031).

201446402105 is a wasteful number, since it uses less digits than its factorization.

201446402105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 201446402105 in words is "two hundred one billion, four hundred forty-six million, four hundred two thousand, one hundred five".