102502540443 has 8 divisors (see below), whose sum is σ = 136721502288. Its totient is φ = 68309302784.

The previous prime is 102502540423. The next prime is 102502540493. The reversal of 102502540443 is 344045205201.

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 102502540443 - 2⁸ = 102502540187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102502540443.

It is not an unprimeable number, because it can be changed into a prime (102502540423) 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, 6421746 + ... + 6437687.

It is an arithmetic number, because the mean of its divisors is an integer number (17090187786).

Almost surely, 2^102502540443 is an apocalyptic number.

102502540443 is a deficient number, since it is larger than the sum of its proper divisors (34218961845).

102502540443 is a wasteful number, since it uses less digits than its factorization.

102502540443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862093.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 102502540443 its reverse (344045205201), we get a palindrome (446547745644).

The spelling of 102502540443 in words is "one hundred two billion, five hundred two million, five hundred forty thousand, four hundred forty-three".