102530412045 has 24 divisors (see below), whose sum is σ = 177842995200. Its totient is φ = 54644851296.

The previous prime is 102530412011. The next prime is 102530412059. The reversal of 102530412045 is 540214035201.

102530412045 is a `hidden beast` number, since 1 + 0 + 2 + 530 + 4 + 120 + 4 + 5 = 666.

It is not a de Polignac number, because 102530412045 - 2¹¹ = 102530409997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726925 + ... + 856434.

It is an arithmetic number, because the mean of its divisors is an integer number (7410124800).

Almost surely, 2^102530412045 is an apocalyptic number.

102530412045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102530412045 is a deficient number, since it is larger than the sum of its proper divisors (75312583155).

102530412045 is a wasteful number, since it uses less digits than its factorization.

102530412045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584809 (or 1584806 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 102530412045 its reverse (540214035201), we get a palindrome (642744447246).

The spelling of 102530412045 in words is "one hundred two billion, five hundred thirty million, four hundred twelve thousand, forty-five".