145679 has 2 divisors, whose sum is σ = 145680. Its totient is φ = 145678.

The previous prime is 145661. The next prime is 145681. The reversal of 145679 is 976541.

It is a happy number.

145679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145679 - 2⁸ = 145423 is a prime.

It is a Sophie Germain prime.

Together with 145681, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72839 + 72840.

It is an arithmetic number, because the mean of its divisors is an integer number (72840).

2¹⁴⁵⁶⁷⁹ is an apocalyptic number.

145679 is a deficient number, since it is larger than the sum of its proper divisors (1).

145679 is an equidigital number, since it uses as much as digits as its factorization.

145679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 145679 is about 381.6791846564. The cubic root of 145679 is about 52.6177553345.

The spelling of 145679 in words is "one hundred forty-five thousand, six hundred seventy-nine".