452161142 has 16 divisors (see below), whose sum is σ = 685780992. Its totient is φ = 223573800.

The previous prime is 452161093. The next prime is 452161147. The reversal of 452161142 is 241161254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452161147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236153 + ... + 238059.

It is an arithmetic number, because the mean of its divisors is an integer number (42861312).

Almost surely, 2^452161142 is an apocalyptic number.

452161142 is a deficient number, since it is larger than the sum of its proper divisors (233619850).

452161142 is a wasteful number, since it uses less digits than its factorization.

452161142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its digits is 1920, while the sum is 26.

The square root of 452161142 is about 21264.0810288148. The cubic root of 452161142 is about 767.5342171223.

The spelling of 452161142 in words is "four hundred fifty-two million, one hundred sixty-one thousand, one hundred forty-two".