145206623 has 2 divisors, whose sum is σ = 145206624. Its totient is φ = 145206622.

The previous prime is 145206617. The next prime is 145206653. The reversal of 145206623 is 326602541.

It is a weak prime.

It is an emirp because it is prime and its reverse (326602541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145206623 - 2⁶ = 145206559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145206653) 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, 72603311 + 72603312.

It is an arithmetic number, because the mean of its divisors is an integer number (72603312).

Almost surely, 2^145206623 is an apocalyptic number.

145206623 is a deficient number, since it is larger than the sum of its proper divisors (1).

145206623 is an equidigital number, since it uses as much as digits as its factorization.

145206623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 145206623 is about 12050.1710776238. The cubic root of 145206623 is about 525.6082118198.

The spelling of 145206623 in words is "one hundred forty-five million, two hundred six thousand, six hundred twenty-three".