4345045321 has 8 divisors (see below), whose sum is σ = 4504638600. Its totient is φ = 4186103040.

The previous prime is 4345045301. The next prime is 4345045361. The reversal of 4345045321 is 1235405434.

It can be written as a sum of positive squares in 4 ways, for example, as 427662400 + 3917382921 = 20680^2 + 62589^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4345045321 - 2³¹ = 2197561673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4345045301) by changing a digit.

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, 149136 + ... + 175873.

It is an arithmetic number, because the mean of its divisors is an integer number (563079825).

Almost surely, 2^4345045321 is an apocalyptic number.

It is an amenable number.

4345045321 is a deficient number, since it is larger than the sum of its proper divisors (159593279).

4345045321 is a wasteful number, since it uses less digits than its factorization.

4345045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325499.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 4345045321 is about 65916.9577650547. The cubic root of 4345045321 is about 1631.7918895581.

The spelling of 4345045321 in words is "four billion, three hundred forty-five million, forty-five thousand, three hundred twenty-one".