201443342 has 4 divisors (see below), whose sum is σ = 302165016. Its totient is φ = 100721670.

The previous prime is 201443329. The next prime is 201443351. The reversal of 201443342 is 243344102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×201443342² = 81158840072257928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50360834 + ... + 50360837.

It is an arithmetic number, because the mean of its divisors is an integer number (75541254).

Almost surely, 2^201443342 is an apocalyptic number.

201443342 is a deficient number, since it is larger than the sum of its proper divisors (100721674).

201443342 is a wasteful number, since it uses less digits than its factorization.

201443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100721673.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 201443342 is about 14193.0737333391. The cubic root of 201443342 is about 586.2069628938.

Adding to 201443342 its reverse (243344102), we get a palindrome (444787444).

The spelling of 201443342 in words is "two hundred one million, four hundred forty-three thousand, three hundred forty-two".