201433142 has 4 divisors (see below), whose sum is σ = 302149716. Its totient is φ = 100716570.

The previous prime is 201433129. The next prime is 201433151. The reversal of 201433142 is 241334102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241334102 = 2 ⋅120667051.

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, 50358284 + ... + 50358287.

It is an arithmetic number, because the mean of its divisors is an integer number (75537429).

Almost surely, 2^201433142 is an apocalyptic number.

201433142 is a deficient number, since it is larger than the sum of its proper divisors (100716574).

201433142 is a wasteful number, since it uses less digits than its factorization.

201433142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100716573.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 201433142 is about 14192.7143985920. The cubic root of 201433142 is about 586.1970686114.

Adding to 201433142 its reverse (241334102), we get a palindrome (442767244).

The spelling of 201433142 in words is "two hundred one million, four hundred thirty-three thousand, one hundred forty-two".