185376503945 has 16 divisors (see below), whose sum is σ = 232725927168. Its totient is φ = 141605708160.

The previous prime is 185376503909. The next prime is 185376503947. The reversal of 185376503945 is 549305673581.

It is not a de Polignac number, because 185376503945 - 2¹² = 185376499849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185376503947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9610319 + ... + 9629588.

It is an arithmetic number, because the mean of its divisors is an integer number (14545370448).

Almost surely, 2^185376503945 is an apocalyptic number.

It is an amenable number.

185376503945 is a deficient number, since it is larger than the sum of its proper divisors (47349423223).

185376503945 is a wasteful number, since it uses less digits than its factorization.

185376503945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240000.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 185376503945 in words is "one hundred eighty-five billion, three hundred seventy-six million, five hundred three thousand, nine hundred forty-five".