201456541 has 8 divisors (see below), whose sum is σ = 236676384. Its totient is φ = 169054320.

The previous prime is 201456529. The next prime is 201456589. The reversal of 201456541 is 145654102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201456541 - 2⁵ = 201456509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201456841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704251 + ... + 704536.

It is an arithmetic number, because the mean of its divisors is an integer number (29584548).

Almost surely, 2^201456541 is an apocalyptic number.

It is an amenable number.

201456541 is a deficient number, since it is larger than the sum of its proper divisors (35219843).

201456541 is a wasteful number, since it uses less digits than its factorization.

201456541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408811.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 201456541 is about 14193.5387060451. The cubic root of 201456541 is about 586.2197657935.

The spelling of 201456541 in words is "two hundred one million, four hundred fifty-six thousand, five hundred forty-one".