102530552146 has 32 divisors (see below), whose sum is σ = 173245095936. Its totient is φ = 45086922000.

The previous prime is 102530552143. The next prime is 102530552219. The reversal of 102530552146 is 641255035201.

It is not an unprimeable number, because it can be changed into a prime (102530552143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257441 + ... + 2302411.

It is an arithmetic number, because the mean of its divisors is an integer number (5413909248).

Almost surely, 2^102530552146 is an apocalyptic number.

102530552146 is a deficient number, since it is larger than the sum of its proper divisors (70714543790).

102530552146 is a wasteful number, since it uses less digits than its factorization.

102530552146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48358.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 102530552146 its reverse (641255035201), we get a palindrome (743785587347).

It can be divided in two parts, 10253055 and 2146, that added together give a palindrome (10255201).

The spelling of 102530552146 in words is "one hundred two billion, five hundred thirty million, five hundred fifty-two thousand, one hundred forty-six".