201481432 has 8 divisors (see below), whose sum is σ = 377777700. Its totient is φ = 100740712.

The previous prime is 201481411. The next prime is 201481439. The reversal of 201481432 is 234184102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 201481397 and 201481406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201481439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12592582 + ... + 12592597.

Almost surely, 2^201481432 is an apocalyptic number.

It is an amenable number.

201481432 is a deficient number, since it is larger than the sum of its proper divisors (176296268).

201481432 is a wasteful number, since it uses less digits than its factorization.

201481432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25185185 (or 25185181 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 201481432 is about 14194.4155216057. The cubic root of 201481432 is about 586.2439082962.

The spelling of 201481432 in words is "two hundred one million, four hundred eighty-one thousand, four hundred thirty-two".