452121131542 has 8 divisors (see below), whose sum is σ = 686766276000. Its totient is φ = 223199039544.

The previous prime is 452121131533. The next prime is 452121131633. The reversal of 452121131542 is 245131121254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1430762917 + ... + 1430763232.

It is an arithmetic number, because the mean of its divisors is an integer number (85845784500).

Almost surely, 2^452121131542 is an apocalyptic number.

452121131542 is a deficient number, since it is larger than the sum of its proper divisors (234645144458).

452121131542 is a wasteful number, since it uses less digits than its factorization.

452121131542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861526230.

The product of its digits is 9600, while the sum is 31.

Adding to 452121131542 its reverse (245131121254), we get a palindrome (697252252796).

The spelling of 452121131542 in words is "four hundred fifty-two billion, one hundred twenty-one million, one hundred thirty-one thousand, five hundred forty-two".