201142504 has 32 divisors (see below), whose sum is σ = 400308480. Its totient is φ = 94422784.

The previous prime is 201142481. The next prime is 201142511. The reversal of 201142504 is 405241102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61929 + ... + 65095.

It is an arithmetic number, because the mean of its divisors is an integer number (12509640).

Almost surely, 2^201142504 is an apocalyptic number.

It is an amenable number.

201142504 is a deficient number, since it is larger than the sum of its proper divisors (199165976).

201142504 is a wasteful number, since it uses less digits than its factorization.

201142504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3657 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 201142504 is about 14182.4717168764. The cubic root of 201142504 is about 585.9150012419.

Adding to 201142504 its reverse (405241102), we get a palindrome (606383606).

The spelling of 201142504 in words is "two hundred one million, one hundred forty-two thousand, five hundred four".