51154145 has 16 divisors (see below), whose sum is σ = 71003520. Its totient is φ = 34652544.

The previous prime is 51154111. The next prime is 51154157. The reversal of 51154145 is 54145115.

It is a cyclic number.

It is not a de Polignac number, because 51154145 - 2¹² = 51150049 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5900 + ... + 11709.

It is an arithmetic number, because the mean of its divisors is an integer number (4437720).

Almost surely, 2^51154145 is an apocalyptic number.

It is an amenable number.

51154145 is a deficient number, since it is larger than the sum of its proper divisors (19849375).

51154145 is a wasteful number, since it uses less digits than its factorization.

51154145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17704.

The product of its digits is 2000, while the sum is 26.

The square root of 51154145 is about 7152.2125947150. The cubic root of 51154145 is about 371.2162193829.

The spelling of 51154145 in words is "fifty-one million, one hundred fifty-four thousand, one hundred forty-five".