545440183 has 2 divisors, whose sum is σ = 545440184. Its totient is φ = 545440182.

The previous prime is 545440177. The next prime is 545440211. The reversal of 545440183 is 381044545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545440183 - 2⁵ = 545440151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545440153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272720091 + 272720092.

It is an arithmetic number, because the mean of its divisors is an integer number (272720092).

Almost surely, 2^545440183 is an apocalyptic number.

545440183 is a deficient number, since it is larger than the sum of its proper divisors (1).

545440183 is an equidigital number, since it uses as much as digits as its factorization.

545440183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 545440183 is about 23354.6608410398. The cubic root of 545440183 is about 817.0507692174.

The spelling of 545440183 in words is "five hundred forty-five million, four hundred forty thousand, one hundred eighty-three".