145459663 has 2 divisors, whose sum is σ = 145459664. Its totient is φ = 145459662.

The previous prime is 145459637. The next prime is 145459693. The reversal of 145459663 is 366954541.

It is a weak prime.

It is an emirp because it is prime and its reverse (366954541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145459663 - 2⁹ = 145459151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145459693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72729831 + 72729832.

It is an arithmetic number, because the mean of its divisors is an integer number (72729832).

Almost surely, 2^145459663 is an apocalyptic number.

145459663 is a deficient number, since it is larger than the sum of its proper divisors (1).

145459663 is an equidigital number, since it uses as much as digits as its factorization.

145459663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 145459663 is about 12060.6659434709. The cubic root of 145459663 is about 525.9133464795.

The spelling of 145459663 in words is "one hundred forty-five million, four hundred fifty-nine thousand, six hundred sixty-three".