78465555301145 has 8 divisors (see below), whose sum is σ = 94159429835400. Its totient is φ = 62771935258240.

The previous prime is 78465555301051. The next prime is 78465555301153. The reversal of 78465555301145 is 54110355556487.

It can be written as a sum of positive squares in 4 ways, for example, as 19673148121 + 78445882153024 = 140261^2 + 8856968^2 .

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

It is not a de Polignac number, because 78465555301145 - 2²² = 78465551106841 is a prime.

It is a super-2 number, since 2×78465555301145² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62943866 + ... + 64178355.

It is an arithmetic number, because the mean of its divisors is an integer number (11769928729425).

Almost surely, 2^{78465555301145} is an apocalyptic number.

It is an amenable number.

78465555301145 is a deficient number, since it is larger than the sum of its proper divisors (15693874534255).

78465555301145 is a wasteful number, since it uses less digits than its factorization.

78465555301145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127245675.

The product of its (nonzero) digits is 50400000, while the sum is 59.

The spelling of 78465555301145 in words is "seventy-eight trillion, four hundred sixty-five billion, five hundred fifty-five million, three hundred one thousand, one hundred forty-five".