5418778145 has 16 divisors (see below), whose sum is σ = 7322503680. Its totient is φ = 3813801600.

The previous prime is 5418778129. The next prime is 5418778177.

It is a happy number.

5418778145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5418778145 - 2⁴ = 5418778129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5418778093 and 5418778102.

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 15 ways as a sum of consecutive naturals, for example, 1587380 + ... + 1590789.

It is an arithmetic number, because the mean of its divisors is an integer number (457656480).

Almost surely, 2^5418778145 is an apocalyptic number.

5418778145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5418778145 is a deficient number, since it is larger than the sum of its proper divisors (1903725535).

5418778145 is a wasteful number, since it uses less digits than its factorization.

5418778145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178216.

The product of its digits is 1254400, while the sum is 50.

The square root of 5418778145 is about 73612.3504922917. The cubic root of 5418778145 is about 1756.4419061075.

The spelling of 5418778145 in words is "five billion, four hundred eighteen million, seven hundred seventy-eight thousand, one hundred forty-five".