201452041543 has 16 divisors (see below), whose sum is σ = 208292908032. Its totient is φ = 194632920000.

The previous prime is 201452041541. The next prime is 201452041561. The reversal of 201452041543 is 345140254102.

It is a cyclic number.

It is not a de Polignac number, because 201452041543 - 2¹ = 201452041541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201452041541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81459355 + ... + 81461827.

It is an arithmetic number, because the mean of its divisors is an integer number (13018306752).

Almost surely, 2^201452041543 is an apocalyptic number.

201452041543 is a deficient number, since it is larger than the sum of its proper divisors (6840866489).

201452041543 is a wasteful number, since it uses less digits than its factorization.

201452041543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 201452041543 its reverse (345140254102), we get a palindrome (546592295645).

The spelling of 201452041543 in words is "two hundred one billion, four hundred fifty-two million, forty-one thousand, five hundred forty-three".