201434242 has 8 divisors (see below), whose sum is σ = 306407232. Its totient is φ = 99298500.

The previous prime is 201434239. The next prime is 201434243. The reversal of 201434242 is 242434102.

It is a happy number.

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

It is a super-2 number, since 2×201434242² = 81151507700229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201434243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709134 + ... + 709417.

It is an arithmetic number, because the mean of its divisors is an integer number (38300904).

Almost surely, 2^201434242 is an apocalyptic number.

201434242 is a deficient number, since it is larger than the sum of its proper divisors (104972990).

201434242 is a wasteful number, since it uses less digits than its factorization.

201434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418624.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 201434242 is about 14192.7531508161. The cubic root of 201434242 is about 586.1981356579.

Adding to 201434242 its reverse (242434102), we get a palindrome (443868344).

The spelling of 201434242 in words is "two hundred one million, four hundred thirty-four thousand, two hundred forty-two".