321054145 has 8 divisors (see below), whose sum is σ = 388206720. Its totient is φ = 254882160.

The previous prime is 321054127. The next prime is 321054203. The reversal of 321054145 is 541450123.

It is a happy number.

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

It is not a de Polignac number, because 321054145 - 2¹⁷ = 320923073 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 244425 + ... + 245734.

It is an arithmetic number, because the mean of its divisors is an integer number (48525840).

Almost surely, 2^321054145 is an apocalyptic number.

It is an amenable number.

321054145 is a deficient number, since it is larger than the sum of its proper divisors (67152575).

321054145 is a wasteful number, since it uses less digits than its factorization.

321054145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490295.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 321054145 is about 17917.9838430556. The cubic root of 321054145 is about 684.7406232011.

The spelling of 321054145 in words is "three hundred twenty-one million, fifty-four thousand, one hundred forty-five".