102305043452 has 12 divisors (see below), whose sum is σ = 184809110976. Its totient is φ = 49502440320.

The previous prime is 102305043439. The next prime is 102305043457. The reversal of 102305043452 is 254340503201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102305043457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 412520213 + ... + 412520460.

It is an arithmetic number, because the mean of its divisors is an integer number (15400759248).

Almost surely, 2^102305043452 is an apocalyptic number.

It is an amenable number.

102305043452 is a deficient number, since it is larger than the sum of its proper divisors (82504067524).

102305043452 is a wasteful number, since it uses less digits than its factorization.

102305043452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825040708 (or 825040706 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 102305043452 its reverse (254340503201), we get a palindrome (356645546653).

The spelling of 102305043452 in words is "one hundred two billion, three hundred five million, forty-three thousand, four hundred fifty-two".