140545583 has 2 divisors, whose sum is σ = 140545584. Its totient is φ = 140545582.

The previous prime is 140545567. The next prime is 140545597. The reversal of 140545583 is 385545041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140545583 - 2⁴ = 140545567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140545523) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70272791 + 70272792.

It is an arithmetic number, because the mean of its divisors is an integer number (70272792).

Almost surely, 2^140545583 is an apocalyptic number.

140545583 is a deficient number, since it is larger than the sum of its proper divisors (1).

140545583 is an equidigital number, since it uses as much as digits as its factorization.

140545583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 140545583 is about 11855.1922380027. The cubic root of 140545583 is about 519.9230445783.

The spelling of 140545583 in words is "one hundred forty million, five hundred forty-five thousand, five hundred eighty-three".