102000854814178 has 4 divisors (see below), whose sum is σ = 153001282221270. Its totient is φ = 51000427407088.

The previous prime is 102000854814151. The next prime is 102000854814193. The reversal of 102000854814178 is 871418458000201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89735891247409 + 12264963566769 = 9472903^2 + 3502137^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500213703543 + ... + 25500213703546.

Almost surely, 2^{102000854814178} is an apocalyptic number.

102000854814178 is a deficient number, since it is larger than the sum of its proper divisors (51000427407092).

102000854814178 is an equidigital number, since it uses as much as digits as its factorization.

102000854814178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000427407091.

The product of its (nonzero) digits is 573440, while the sum is 49.

The spelling of 102000854814178 in words is "one hundred two trillion, eight hundred fifty-four million, eight hundred fourteen thousand, one hundred seventy-eight".