102130443545 has 8 divisors (see below), whose sum is σ = 131983957896. Its totient is φ = 75419404416.

The previous prime is 102130443511. The next prime is 102130443563. The reversal of 102130443545 is 545344031201.

It can be written as a sum of positive squares in 4 ways, for example, as 3708322816 + 98422120729 = 60896^2 + 313723^2 .

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 102130443545 - 2²² = 102126249241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785618732 + ... + 785618861.

It is an arithmetic number, because the mean of its divisors is an integer number (16497994737).

Almost surely, 2^102130443545 is an apocalyptic number.

It is an amenable number.

102130443545 is a deficient number, since it is larger than the sum of its proper divisors (29853514351).

102130443545 is a wasteful number, since it uses less digits than its factorization.

102130443545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571237611.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 102130443545 its reverse (545344031201), we get a palindrome (647474474746).

The spelling of 102130443545 in words is "one hundred two billion, one hundred thirty million, four hundred forty-three thousand, five hundred forty-five".