102044154350243 has 4 divisors (see below), whose sum is σ = 116621890686000. Its totient is φ = 87466418014488.

The previous prime is 102044154350239. The next prime is 102044154350251. The reversal of 102044154350243 is 342053451440201.

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

It is a cyclic number.

It is not a de Polignac number, because 102044154350243 - 2² = 102044154350239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102044154350197 and 102044154350206.

It is not an unprimeable number, because it can be changed into a prime (102044154350233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7288868167868 + ... + 7288868167881.

It is an arithmetic number, because the mean of its divisors is an integer number (29155472671500).

Almost surely, 2^{102044154350243} is an apocalyptic number.

102044154350243 is a deficient number, since it is larger than the sum of its proper divisors (14577736335757).

102044154350243 is an equidigital number, since it uses as much as digits as its factorization.

102044154350243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577736335756.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 102044154350243 in words is "one hundred two trillion, forty-four billion, one hundred fifty-four million, three hundred fifty thousand, two hundred forty-three".