201424142 has 8 divisors (see below), whose sum is σ = 302410056. Its totient is φ = 100620792.

The previous prime is 201424129. The next prime is 201424147. The reversal of 201424142 is 241424102.

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 (201424147) 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, 42848 + ... + 47315.

It is an arithmetic number, because the mean of its divisors is an integer number (37801257).

Almost surely, 2^201424142 is an apocalyptic number.

201424142 is a deficient number, since it is larger than the sum of its proper divisors (100985914).

201424142 is a wasteful number, since it uses less digits than its factorization.

201424142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91282.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 201424142 is about 14192.3973309656. The cubic root of 201424142 is about 586.1883380848.

Adding to 201424142 its reverse (241424102), we get a palindrome (442848244).

The spelling of 201424142 in words is "two hundred one million, four hundred twenty-four thousand, one hundred forty-two".