102489714944445 has 16 divisors (see below), whose sum is σ = 163984803727680. Its totient is φ = 54660761364864.

The previous prime is 102489714944359. The next prime is 102489714944473. The reversal of 102489714944445 is 544449417984201.

It is not a de Polignac number, because 102489714944445 - 2¹⁶ = 102489714878909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24223599 + ... + 28138268.

It is an arithmetic number, because the mean of its divisors is an integer number (10249050232980).

Almost surely, 2^{102489714944445} is an apocalyptic number.

102489714944445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102489714944445 is a deficient number, since it is larger than the sum of its proper divisors (61495088783235).

102489714944445 is a wasteful number, since it uses less digits than its factorization.

102489714944445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52492364.

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 102489714944445 in words is "one hundred two trillion, four hundred eighty-nine billion, seven hundred fourteen million, nine hundred forty-four thousand, four hundred forty-five".