51145103 has 8 divisors (see below), whose sum is σ = 52430928. Its totient is φ = 49863744.

The previous prime is 51145079. The next prime is 51145109. The reversal of 51145103 is 30154115.

51145103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51145103 - 2¹⁴ = 51128719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51145109) 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, 42275 + ... + 43467.

It is an arithmetic number, because the mean of its divisors is an integer number (6553866).

Almost surely, 2^51145103 is an apocalyptic number.

51145103 is a deficient number, since it is larger than the sum of its proper divisors (1285825).

51145103 is a wasteful number, since it uses less digits than its factorization.

51145103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51145103 is about 7151.5804546967. The cubic root of 51145103 is about 371.1943460505.

Adding to 51145103 its reverse (30154115), we get a palindrome (81299218).

The spelling of 51145103 in words is "fifty-one million, one hundred forty-five thousand, one hundred three".