145636279 has 2 divisors, whose sum is σ = 145636280. Its totient is φ = 145636278.

The previous prime is 145636261. The next prime is 145636291. The reversal of 145636279 is 972636541.

It is a strong prime.

It is an emirp because it is prime and its reverse (972636541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145636279 - 2¹¹ = 145634231 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145636259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72818139 + 72818140.

It is an arithmetic number, because the mean of its divisors is an integer number (72818140).

Almost surely, 2^145636279 is an apocalyptic number.

145636279 is a deficient number, since it is larger than the sum of its proper divisors (1).

145636279 is an equidigital number, since it uses as much as digits as its factorization.

145636279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 145636279 is about 12067.9857059909. The cubic root of 145636279 is about 526.1261136979.

The spelling of 145636279 in words is "one hundred forty-five million, six hundred thirty-six thousand, two hundred seventy-nine".