185241045009 has 8 divisors (see below), whose sum is σ = 246992897952. Its totient is φ = 123491611040.

The previous prime is 185241044993. The next prime is 185241045079. The reversal of 185241045009 is 900540142581.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 185241045009 - 2⁴ = 185241044993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (185241045079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417804 + ... + 738269.

It is an arithmetic number, because the mean of its divisors is an integer number (30874112244).

Almost surely, 2^185241045009 is an apocalyptic number.

It is an amenable number.

185241045009 is a deficient number, since it is larger than the sum of its proper divisors (61751852943).

185241045009 is a wasteful number, since it uses less digits than its factorization.

185241045009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209487.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 185241045009 in words is "one hundred eighty-five billion, two hundred forty-one million, forty-five thousand, nine".