201142458 has 24 divisors (see below), whose sum is σ = 475428096. Its totient is φ = 60952200.

The previous prime is 201142457. The next prime is 201142481. The reversal of 201142458 is 854241102.

201142458 is a `hidden beast` number, since 201 + 1 + 4 + 2 + 458 = 666.

It is not an unprimeable number, because it can be changed into a prime (201142457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507738 + ... + 508133.

It is an arithmetic number, because the mean of its divisors is an integer number (19809504).

Almost surely, 2^201142458 is an apocalyptic number.

201142458 is an abundant number, since it is smaller than the sum of its proper divisors (274285638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201142458 is a wasteful number, since it uses less digits than its factorization.

201142458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015890 (or 1015887 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 201142458 is about 14182.4700951562. The cubic root of 201142458 is about 585.9149565769.

The spelling of 201142458 in words is "two hundred one million, one hundred forty-two thousand, four hundred fifty-eight".