145454663 has 2 divisors, whose sum is σ = 145454664. Its totient is φ = 145454662.

The previous prime is 145454657. The next prime is 145454689. The reversal of 145454663 is 366454541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145454663 - 2¹⁰ = 145453639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145454653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72727331 + 72727332.

It is an arithmetic number, because the mean of its divisors is an integer number (72727332).

Almost surely, 2^145454663 is an apocalyptic number.

145454663 is a deficient number, since it is larger than the sum of its proper divisors (1).

145454663 is an equidigital number, since it uses as much as digits as its factorization.

145454663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The square root of 145454663 is about 12060.4586562867. The cubic root of 145454663 is about 525.9073205321.

The spelling of 145454663 in words is "one hundred forty-five million, four hundred fifty-four thousand, six hundred sixty-three".