201434455 has 16 divisors (see below), whose sum is σ = 247463424. Its totient is φ = 157363360.

The previous prime is 201434449. The next prime is 201434459. The reversal of 201434455 is 554434102.

It is not a de Polignac number, because 201434455 - 2¹⁹ = 200910167 is a prime.

It is a super-2 number, since 2×201434455² = 81151679322294050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201434459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35334 + ... + 40636.

It is an arithmetic number, because the mean of its divisors is an integer number (15466464).

Almost surely, 2^201434455 is an apocalyptic number.

201434455 is a deficient number, since it is larger than the sum of its proper divisors (46028969).

201434455 is a wasteful number, since it uses less digits than its factorization.

201434455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 201434455 is about 14192.7606546436. The cubic root of 201434455 is about 586.1983422764.

Adding to 201434455 its reverse (554434102), we get a palindrome (755868557).

The spelling of 201434455 in words is "two hundred one million, four hundred thirty-four thousand, four hundred fifty-five".