185144430246 has 64 divisors (see below), whose sum is σ = 395975443968. Its totient is φ = 57506692608.

The previous prime is 185144430227. The next prime is 185144430311. The reversal of 185144430246 is 642034441581.

It is a super-2 number, since 2×185144430246² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 185144430198 and 185144430207.

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 31 ways as a sum of consecutive naturals, for example, 22402311 + ... + 22410573.

It is an arithmetic number, because the mean of its divisors is an integer number (6187116312).

Almost surely, 2^185144430246 is an apocalyptic number.

185144430246 is an abundant number, since it is smaller than the sum of its proper divisors (210831013722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185144430246 is a wasteful number, since it uses less digits than its factorization.

185144430246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 185144430246 in words is "one hundred eighty-five billion, one hundred forty-four million, four hundred thirty thousand, two hundred forty-six".