5145032321 has 8 divisors (see below), whose sum is σ = 6044513664. Its totient is φ = 4317509520.

The previous prime is 5145032297. The next prime is 5145032323. The reversal of 5145032321 is 1232305415.

It is a happy number.

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 5145032321 - 2¹⁴ = 5145015937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145032323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17989481 + ... + 17989766.

It is an arithmetic number, because the mean of its divisors is an integer number (755564208).

Almost surely, 2^5145032321 is an apocalyptic number.

It is an amenable number.

5145032321 is a deficient number, since it is larger than the sum of its proper divisors (899481343).

5145032321 is a wasteful number, since it uses less digits than its factorization.

5145032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35979271.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5145032321 is about 71728.8806618366. The cubic root of 5145032321 is about 1726.3520670097.

Adding to 5145032321 its reverse (1232305415), we get a palindrome (6377337736).

The spelling of 5145032321 in words is "five billion, one hundred forty-five million, thirty-two thousand, three hundred twenty-one".