545050139 has 2 divisors, whose sum is σ = 545050140. Its totient is φ = 545050138.

The previous prime is 545050123. The next prime is 545050183. The reversal of 545050139 is 931050545.

545050139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545050139 - 2⁴ = 545050123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545050109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272525069 + 272525070.

It is an arithmetic number, because the mean of its divisors is an integer number (272525070).

Almost surely, 2^545050139 is an apocalyptic number.

545050139 is a deficient number, since it is larger than the sum of its proper divisors (1).

545050139 is an equidigital number, since it uses as much as digits as its factorization.

545050139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 545050139 is about 23346.3088945555. The cubic root of 545050139 is about 816.8559652441.

The spelling of 545050139 in words is "five hundred forty-five million, fifty thousand, one hundred thirty-nine".