102445140345 has 16 divisors (see below), whose sum is σ = 163930796160. Its totient is φ = 54631217664.

The previous prime is 102445140331. The next prime is 102445140361. The reversal of 102445140345 is 543041544201.

It is a happy number.

It is not a de Polignac number, because 102445140345 - 2¹⁵ = 102445107577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248509 + ... + 516378.

It is an arithmetic number, because the mean of its divisors is an integer number (10245674760).

Almost surely, 2^102445140345 is an apocalyptic number.

102445140345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102445140345 is a deficient number, since it is larger than the sum of its proper divisors (61485655815).

102445140345 is an equidigital number, since it uses as much as digits as its factorization.

102445140345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773824.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 102445140345 its reverse (543041544201), we get a palindrome (645486684546).

The spelling of 102445140345 in words is "one hundred two billion, four hundred forty-five million, one hundred forty thousand, three hundred forty-five".