51230353145 has 8 divisors (see below), whose sum is σ = 65092684104. Its totient is φ = 38573442304.

The previous prime is 51230353133. The next prime is 51230353151. The reversal of 51230353145 is 54135303215.

It can be written as a sum of positive squares in 4 ways, for example, as 3872323984 + 47358029161 = 62228^2 + 217619^2 .

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 51230353145 - 2⁶ = 51230353081 is a prime.

It is a super-2 number, since 2×51230353145² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301354934 + ... + 301355103.

It is an arithmetic number, because the mean of its divisors is an integer number (8136585513).

Almost surely, 2^51230353145 is an apocalyptic number.

It is an amenable number.

51230353145 is a deficient number, since it is larger than the sum of its proper divisors (13862330959).

51230353145 is a wasteful number, since it uses less digits than its factorization.

51230353145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602710059.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 51230353145 in words is "fifty-one billion, two hundred thirty million, three hundred fifty-three thousand, one hundred forty-five".