102445669 has 8 divisors (see below), whose sum is σ = 106219520. Its totient is φ = 98701200.

The previous prime is 102445667. The next prime is 102445697. The reversal of 102445669 is 966544201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102445669 - 2¹ = 102445667 is a prime.

It is a super-2 number, since 2×102445669² = 20990230193715122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102445667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 14314.

It is an arithmetic number, because the mean of its divisors is an integer number (13277440).

Almost surely, 2^102445669 is an apocalyptic number.

It is an amenable number.

102445669 is a deficient number, since it is larger than the sum of its proper divisors (3773851).

102445669 is a wasteful number, since it uses less digits than its factorization.

102445669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14691.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 102445669 is about 10121.5447931628. The cubic root of 102445669 is about 467.9123782803.

The spelling of 102445669 in words is "one hundred two million, four hundred forty-five thousand, six hundred sixty-nine".