5145221001 has 8 divisors (see below), whose sum is σ = 7081594624. Its totient is φ = 3319497360.

The previous prime is 5145220937. The next prime is 5145221027. The reversal of 5145221001 is 1001225415.

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

It is not a de Polignac number, because 5145221001 - 2⁶ = 5145220937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5145221101) 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, 27662386 + ... + 27662571.

It is an arithmetic number, because the mean of its divisors is an integer number (885199328).

Almost surely, 2^5145221001 is an apocalyptic number.

It is an amenable number.

5145221001 is a deficient number, since it is larger than the sum of its proper divisors (1936373623).

5145221001 is a wasteful number, since it uses less digits than its factorization.

5145221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55324991.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 5145221001 is about 71730.1958801173. The cubic root of 5145221001 is about 1726.3731698332.

Adding to 5145221001 its reverse (1001225415), we get a palindrome (6146446416).

The spelling of 5145221001 in words is "five billion, one hundred forty-five million, two hundred twenty-one thousand, one".