201055443 has 24 divisors (see below), whose sum is σ = 282428160. Its totient is φ = 127208400.

The previous prime is 201055427. The next prime is 201055501. The reversal of 201055443 is 344550102.

It is not a de Polignac number, because 201055443 - 2⁴ = 201055427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201055423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239218 + ... + 240056.

It is an arithmetic number, because the mean of its divisors is an integer number (11767840).

Almost surely, 2^201055443 is an apocalyptic number.

201055443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201055443 is a deficient number, since it is larger than the sum of its proper divisors (81372717).

201055443 is a wasteful number, since it uses less digits than its factorization.

201055443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 201055443 is about 14179.4020677883. The cubic root of 201055443 is about 585.8304547035.

The spelling of 201055443 in words is "two hundred one million, fifty-five thousand, four hundred forty-three".