5145103721 has 8 divisors (see below), whose sum is σ = 5204957184. Its totient is φ = 5085425200.

The previous prime is 5145103609. The next prime is 5145103741. The reversal of 5145103721 is 1273015415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5145103721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145103741) 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, 15896 + ... + 102678.

It is an arithmetic number, because the mean of its divisors is an integer number (650619648).

Almost surely, 2^5145103721 is an apocalyptic number.

It is an amenable number.

5145103721 is a deficient number, since it is larger than the sum of its proper divisors (59853463).

5145103721 is a wasteful number, since it uses less digits than its factorization.

5145103721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87471.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5145103721 is about 71729.3783675838. The cubic root of 5145103721 is about 1726.3600527689.

The spelling of 5145103721 in words is "five billion, one hundred forty-five million, one hundred three thousand, seven hundred twenty-one".