321453042 has 16 divisors (see below), whose sum is σ = 653446272. Its totient is φ = 105394320.

The previous prime is 321452969. The next prime is 321453071. The reversal of 321453042 is 240354123.

It is a super-2 number, since 2×321453042² = 206664116422107528, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 438778 + ... + 439509.

It is an arithmetic number, because the mean of its divisors is an integer number (40840392).

Almost surely, 2^321453042 is an apocalyptic number.

321453042 is an abundant number, since it is smaller than the sum of its proper divisors (331993230).

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

321453042 is a wasteful number, since it uses less digits than its factorization.

321453042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878353.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 321453042 is about 17929.1115786589. Note that the first 3 decimals coincide. The cubic root of 321453042 is about 685.0240934925.

The spelling of 321453042 in words is "three hundred twenty-one million, four hundred fifty-three thousand, forty-two".