102153446446 has 16 divisors (see below), whose sum is σ = 162448030080. Its totient is φ = 48093164640.

The previous prime is 102153446419. The next prime is 102153446453. The reversal of 102153446446 is 644644351201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102153446399 and 102153446408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22263061 + ... + 22267648.

It is an arithmetic number, because the mean of its divisors is an integer number (10153001880).

Almost surely, 2^102153446446 is an apocalyptic number.

102153446446 is a deficient number, since it is larger than the sum of its proper divisors (60294583634).

102153446446 is a wasteful number, since it uses less digits than its factorization.

102153446446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44530779.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 102153446446 its reverse (644644351201), we get a palindrome (746797797647).

The spelling of 102153446446 in words is "one hundred two billion, one hundred fifty-three million, four hundred forty-six thousand, four hundred forty-six".