45177943978154 has 32 divisors (see below), whose sum is σ = 81339665762880. Its totient is φ = 18591923596032.

The previous prime is 45177943978091. The next prime is 45177943978157. The reversal of 45177943978154 is 45187934977154.

45177943978154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45177943978157) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2689795364 + ... + 2689812159.

It is an arithmetic number, because the mean of its divisors is an integer number (2541864555090).

Almost surely, 2^{45177943978154} is an apocalyptic number.

45177943978154 is a deficient number, since it is larger than the sum of its proper divisors (36161721784726).

45177943978154 is a wasteful number, since it uses less digits than its factorization.

45177943978154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379607574.

The product of its digits is 1066867200, while the sum is 74.

It can be divided in two parts, 4517794 and 3978154, that added together give a palindrome (8495948).

The spelling of 45177943978154 in words is "forty-five trillion, one hundred seventy-seven billion, nine hundred forty-three million, nine hundred seventy-eight thousand, one hundred fifty-four".