201441534 has 128 divisors (see below), whose sum is σ = 530841600. Its totient is φ = 49559040.

The previous prime is 201441497. The next prime is 201441563. The reversal of 201441534 is 435144102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 420307 + ... + 420785.

It is an arithmetic number, because the mean of its divisors is an integer number (4147200).

Almost surely, 2^201441534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201441534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265420800).

201441534 is an abundant number, since it is smaller than the sum of its proper divisors (329400066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201441534 is a wasteful number, since it uses less digits than its factorization.

201441534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 201441534 is about 14193.0100401571. The cubic root of 201441534 is about 586.2052091081.

Adding to 201441534 its reverse (435144102), we get a palindrome (636585636).

The spelling of 201441534 in words is "two hundred one million, four hundred forty-one thousand, five hundred thirty-four".