102145455443 has 8 divisors (see below), whose sum is σ = 104847897936. Its totient is φ = 99476172000.

The previous prime is 102145455439. The next prime is 102145455521. The reversal of 102145455443 is 344554541201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102145455443 - 2² = 102145455439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102145455397 and 102145455406.

It is not an unprimeable number, because it can be changed into a prime (102145455403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8283521 + ... + 8295842.

It is an arithmetic number, because the mean of its divisors is an integer number (13105987242).

Almost surely, 2^102145455443 is an apocalyptic number.

102145455443 is a deficient number, since it is larger than the sum of its proper divisors (2702442493).

102145455443 is a wasteful number, since it uses less digits than its factorization.

102145455443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16579525.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 102145455443 its reverse (344554541201), we get a palindrome (446699996644).

The spelling of 102145455443 in words is "one hundred two billion, one hundred forty-five million, four hundred fifty-five thousand, four hundred forty-three".