102305450451 has 16 divisors (see below), whose sum is σ = 140827281408. Its totient is φ = 65994244800.

The previous prime is 102305450411. The next prime is 102305450473. The reversal of 102305450451 is 154054503201.

It is not a de Polignac number, because 102305450451 - 2¹⁰ = 102305449427 is a prime.

It is a super-2 number, since 2×102305450451² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102305450411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622210 + ... + 769256.

It is an arithmetic number, because the mean of its divisors is an integer number (8801705088).

Almost surely, 2^102305450451 is an apocalyptic number.

102305450451 is a deficient number, since it is larger than the sum of its proper divisors (38521830957).

102305450451 is a wasteful number, since it uses less digits than its factorization.

102305450451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154562.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 102305450451 its reverse (154054503201), we get a palindrome (256359953652).

The spelling of 102305450451 in words is "one hundred two billion, three hundred five million, four hundred fifty thousand, four hundred fifty-one".