51145108 has 12 divisors (see below), whose sum is σ = 102290272. Its totient is φ = 21919320.

The previous prime is 51145079. The next prime is 51145109. The reversal of 51145108 is 80154115.

It is a happy number.

51145108 is an admirable 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913278 + ... + 913333.

Almost surely, 2^51145108 is an apocalyptic number.

It is an amenable number.

51145108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51145108 is a wasteful number, since it uses less digits than its factorization.

51145108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826622 (or 1826620 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 51145108 is about 7151.5808042698. The cubic root of 51145108 is about 371.1943581466.

The spelling of 51145108 in words is "fifty-one million, one hundred forty-five thousand, one hundred eight".