102011302445 has 32 divisors (see below), whose sum is σ = 132251180544. Its totient is φ = 75091161600.

The previous prime is 102011302441. The next prime is 102011302447. The reversal of 102011302445 is 544203110201.

It is not a de Polignac number, because 102011302445 - 2² = 102011302441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102011302445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011302441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37351730 + ... + 37354460.

It is an arithmetic number, because the mean of its divisors is an integer number (4132849392).

Almost surely, 2^102011302445 is an apocalyptic number.

It is an amenable number.

102011302445 is a deficient number, since it is larger than the sum of its proper divisors (30239878099).

102011302445 is a wasteful number, since it uses less digits than its factorization.

102011302445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 102011302445 its reverse (544203110201), we get a palindrome (646214412646).

The spelling of 102011302445 in words is "one hundred two billion, eleven million, three hundred two thousand, four hundred forty-five".