201450543 has 16 divisors (see below), whose sum is σ = 307246080. Its totient is φ = 115011936.

The previous prime is 201450541. The next prime is 201450563. The reversal of 201450543 is 345054102.

It is not a de Polignac number, because 201450543 - 2¹ = 201450541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201450541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24253 + ... + 31481.

It is an arithmetic number, because the mean of its divisors is an integer number (19202880).

Almost surely, 2^201450543 is an apocalyptic number.

201450543 is a deficient number, since it is larger than the sum of its proper divisors (105795537).

201450543 is a wasteful number, since it uses less digits than its factorization.

201450543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566.

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

The square root of 201450543 is about 14193.3274111464. The cubic root of 201450543 is about 586.2139478620.

The spelling of 201450543 in words is "two hundred one million, four hundred fifty thousand, five hundred forty-three".