201432455 has 16 divisors (see below), whose sum is σ = 276490560. Its totient is φ = 138004992.

The previous prime is 201432449. The next prime is 201432487. The reversal of 201432455 is 554234102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201432455 - 2⁶ = 201432391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61007 + ... + 64223.

It is an arithmetic number, because the mean of its divisors is an integer number (17280660).

Almost surely, 2^201432455 is an apocalyptic number.

201432455 is a deficient number, since it is larger than the sum of its proper divisors (75058105).

201432455 is a wasteful number, since it uses less digits than its factorization.

201432455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 201432455 is about 14192.6901960129. The cubic root of 201432455 is about 586.1964021903.

Adding to 201432455 its reverse (554234102), we get a palindrome (755666557).

The spelling of 201432455 in words is "two hundred one million, four hundred thirty-two thousand, four hundred fifty-five".