190545244345 has 24 divisors (see below), whose sum is σ = 248063819904. Its totient is φ = 140416770816.

The previous prime is 190545244321. The next prime is 190545244381. The reversal of 190545244345 is 543442545091.

190545244345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190545244345 - 2¹³ = 190545236153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190545244295 and 190545244304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1334907 + ... + 1470736.

It is an arithmetic number, because the mean of its divisors is an integer number (10335992496).

Almost surely, 2^190545244345 is an apocalyptic number.

It is an amenable number.

190545244345 is a deficient number, since it is larger than the sum of its proper divisors (57518575559).

190545244345 is a wasteful number, since it uses less digits than its factorization.

190545244345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805729 (or 2805712 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 190545244345 in words is "one hundred ninety billion, five hundred forty-five million, two hundred forty-four thousand, three hundred forty-five".