14454151808778 has 96 divisors (see below), whose sum is σ = 34226811740160. Its totient is φ = 4372044623520.

The previous prime is 14454151808753. The next prime is 14454151808807. The reversal of 14454151808778 is 87780815145441.

It is a happy number.

14454151808778 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 41 + 518 + 0 + 8 + 7 + 78 = 666.

It is a super-2 number, since 2×14454151808778² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344922175 + ... + 344964077.

It is an arithmetic number, because the mean of its divisors is an integer number (356529288960).

Almost surely, 2^{14454151808778} is an apocalyptic number.

14454151808778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14454151808778 is an abundant number, since it is smaller than the sum of its proper divisors (19772659931382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14454151808778 is a wasteful number, since it uses less digits than its factorization.

14454151808778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45064 (or 45061 counting only the distinct ones).

The product of its (nonzero) digits is 40140800, while the sum is 63.

The spelling of 14454151808778 in words is "fourteen trillion, four hundred fifty-four billion, one hundred fifty-one million, eight hundred eight thousand, seven hundred seventy-eight".