154108768005 has 12 divisors (see below), whose sum is σ = 267121864620. Its totient is φ = 82191342912.

The previous prime is 154108767947. The next prime is 154108768013. The reversal of 154108768005 is 500867801451.

It can be written as a sum of positive squares in 2 ways, for example, as 48332263716 + 105776504289 = 219846^2 + 325233^2 .

It is not a de Polignac number, because 154108768005 - 2⁶ = 154108767941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3424639289 = 154108768005 / (1 + 5 + 4 + 1 + 0 + 8 + 7 + 6 + 8 + 0 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1712319600 + ... + 1712319689.

It is an arithmetic number, because the mean of its divisors is an integer number (22260155385).

Almost surely, 2^154108768005 is an apocalyptic number.

154108768005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154108768005 is a deficient number, since it is larger than the sum of its proper divisors (113013096615).

154108768005 is a wasteful number, since it uses less digits than its factorization.

154108768005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424639300 (or 3424639297 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 154108768005 in words is "one hundred fifty-four billion, one hundred eight million, seven hundred sixty-eight thousand, five".