201452442 has 16 divisors (see below), whose sum is σ = 403648032. Its totient is φ = 67026960.

The previous prime is 201452437. The next prime is 201452453. The reversal of 201452442 is 244254102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27409 + ... + 33972.

It is an arithmetic number, because the mean of its divisors is an integer number (25228002).

Almost surely, 2^201452442 is an apocalyptic number.

201452442 is an abundant number, since it is smaller than the sum of its proper divisors (202195590).

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

201452442 is a wasteful number, since it uses less digits than its factorization.

201452442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61933.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 201452442 is about 14193.3943086212. The cubic root of 201452442 is about 586.2157898638.

The spelling of 201452442 in words is "two hundred one million, four hundred fifty-two thousand, four hundred forty-two".