201033142 has 4 divisors (see below), whose sum is σ = 301549716. Its totient is φ = 100516570.

The previous prime is 201033139. The next prime is 201033197. The reversal of 201033142 is 241330102.

It is a happy number.

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

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, 50258284 + ... + 50258287.

It is an arithmetic number, because the mean of its divisors is an integer number (75387429).

Almost surely, 2^201033142 is an apocalyptic number.

201033142 is a deficient number, since it is larger than the sum of its proper divisors (100516574).

201033142 is a wasteful number, since it uses less digits than its factorization.

201033142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100516573.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201033142 is about 14178.6156588011. The cubic root of 201033142 is about 585.8087938657.

Adding to 201033142 its reverse (241330102), we get a palindrome (442363244).

The spelling of 201033142 in words is "two hundred one million, thirty-three thousand, one hundred forty-two".