51145106 has 8 divisors (see below), whose sum is σ = 78165324. Its totient is φ = 25090000.

The previous prime is 51145079. The next prime is 51145109. The reversal of 51145106 is 60154115.

It can be written as a sum of positive squares in 2 ways, for example, as 49210225 + 1934881 = 7015^2 + 1391^2 .

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

It is a Curzon 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, 241145 + ... + 241356.

Almost surely, 2^51145106 is an apocalyptic number.

51145106 is a deficient number, since it is larger than the sum of its proper divisors (27020218).

51145106 is a wasteful number, since it uses less digits than its factorization.

51145106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482556.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51145106 is about 7151.5806644406. The cubic root of 51145106 is about 371.1943533082.

Subtracting 51145106 from its reverse (60154115), we obtain a palindrome (9009009).

The spelling of 51145106 in words is "fifty-one million, one hundred forty-five thousand, one hundred six".