145000279 has 2 divisors, whose sum is σ = 145000280. Its totient is φ = 145000278.

The previous prime is 145000277. The next prime is 145000291. The reversal of 145000279 is 972000541.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (972000541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145000279 - 2¹ = 145000277 is a prime.

Together with 145000277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145000277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500139 + 72500140.

It is an arithmetic number, because the mean of its divisors is an integer number (72500140).

Almost surely, 2^145000279 is an apocalyptic number.

145000279 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000279 is an equidigital number, since it uses as much as digits as its factorization.

145000279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 145000279 is about 12041.6061636312. The cubic root of 145000279 is about 525.3591242033.

The spelling of 145000279 in words is "one hundred forty-five million, two hundred seventy-nine", and thus it is an aban number.