102305450445 has 32 divisors (see below), whose sum is σ = 178642433664. Its totient is φ = 49582387200.

The previous prime is 102305450411. The next prime is 102305450473. The reversal of 102305450445 is 544054503201.

It is not a de Polignac number, because 102305450445 - 2¹⁷ = 102305319373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282685 + ... + 533405.

It is an arithmetic number, because the mean of its divisors is an integer number (5582576052).

Almost surely, 2^102305450445 is an apocalyptic number.

102305450445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102305450445 is a deficient number, since it is larger than the sum of its proper divisors (76336983219).

102305450445 is a wasteful number, since it uses less digits than its factorization.

102305450445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253213.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 102305450445 its reverse (544054503201), we get a palindrome (646359953646).

The spelling of 102305450445 in words is "one hundred two billion, three hundred five million, four hundred fifty thousand, four hundred forty-five".