201142246 has 8 divisors (see below), whose sum is σ = 317593080. Its totient is φ = 95277888.

The previous prime is 201142243. The next prime is 201142259. The reversal of 201142246 is 642241102.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201142243) 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, 2646571 + ... + 2646646.

It is an arithmetic number, because the mean of its divisors is an integer number (39699135).

Almost surely, 2^201142246 is an apocalyptic number.

201142246 is a deficient number, since it is larger than the sum of its proper divisors (116450834).

201142246 is a wasteful number, since it uses less digits than its factorization.

201142246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293238.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 201142246 is about 14182.4626211388. The cubic root of 201142246 is about 585.9147507294.

Adding to 201142246 its reverse (642241102), we get a palindrome (843383348).

The spelling of 201142246 in words is "two hundred one million, one hundred forty-two thousand, two hundred forty-six".