185445354705 has 64 divisors (see below), whose sum is σ = 324551270400. Its totient is φ = 89865490176.

The previous prime is 185445354701. The next prime is 185445354733. The reversal of 185445354705 is 507453544581.

It is not a de Polignac number, because 185445354705 - 2² = 185445354701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (185445354701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20154696 + ... + 20163894.

It is an arithmetic number, because the mean of its divisors is an integer number (5071113600).

Almost surely, 2^185445354705 is an apocalyptic number.

185445354705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

185445354705 is a deficient number, since it is larger than the sum of its proper divisors (139105915695).

185445354705 is a wasteful number, since it uses less digits than its factorization.

185445354705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830.

The product of its (nonzero) digits is 6720000, while the sum is 51.

The spelling of 185445354705 in words is "one hundred eighty-five billion, four hundred forty-five million, three hundred fifty-four thousand, seven hundred five".