102445414665 has 16 divisors (see below), whose sum is σ = 178813814976. Its totient is φ = 49670504000.

The previous prime is 102445414663. The next prime is 102445414681. The reversal of 102445414665 is 566414544201.

It is a happy number.

It is not a de Polignac number, because 102445414665 - 2¹ = 102445414663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102445414661) 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, 310440486 + ... + 310440815.

It is an arithmetic number, because the mean of its divisors is an integer number (11175863436).

Almost surely, 2^102445414665 is an apocalyptic number.

102445414665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102445414665 is a deficient number, since it is larger than the sum of its proper divisors (76368400311).

102445414665 is a wasteful number, since it uses less digits than its factorization.

102445414665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620881320.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 102445414665 its reverse (566414544201), we get a palindrome (668859958866).

The spelling of 102445414665 in words is "one hundred two billion, four hundred forty-five million, four hundred fourteen thousand, six hundred sixty-five".