51145601434 has 8 divisors (see below), whose sum is σ = 77207054868. Its totient is φ = 25409916480.

The previous prime is 51145601407. The next prime is 51145601449. The reversal of 51145601434 is 43410654115.

It can be written as a sum of positive squares in 2 ways, for example, as 50311835809 + 833765625 = 224303^2 + 28875^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51145601434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81441727 + ... + 81442354.

Almost surely, 2^51145601434 is an apocalyptic number.

51145601434 is a deficient number, since it is larger than the sum of its proper divisors (26061453434).

51145601434 is a wasteful number, since it uses less digits than its factorization.

51145601434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162884240.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 51145601434 in words is "fifty-one billion, one hundred forty-five million, six hundred one thousand, four hundred thirty-four".