185312382452 has 12 divisors (see below), whose sum is σ = 324363280416. Its totient is φ = 92637159480.

The previous prime is 185312382419. The next prime is 185312382457. The reversal of 185312382452 is 254283213581.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185312382457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736018 + ... + 4774985.

It is an arithmetic number, because the mean of its divisors is an integer number (27030273368).

Almost surely, 2^185312382452 is an apocalyptic number.

It is an amenable number.

185312382452 is a deficient number, since it is larger than the sum of its proper divisors (139050897964).

185312382452 is a wasteful number, since it uses less digits than its factorization.

185312382452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515878 (or 9515876 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The spelling of 185312382452 in words is "one hundred eighty-five billion, three hundred twelve million, three hundred eighty-two thousand, four hundred fifty-two".