145634663 has 2 divisors, whose sum is σ = 145634664. Its totient is φ = 145634662.

The previous prime is 145634659. The next prime is 145634669. The reversal of 145634663 is 366436541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145634663 - 2² = 145634659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145634669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72817331 + 72817332.

It is an arithmetic number, because the mean of its divisors is an integer number (72817332).

Almost surely, 2^145634663 is an apocalyptic number.

145634663 is a deficient number, since it is larger than the sum of its proper divisors (1).

145634663 is an equidigital number, since it uses as much as digits as its factorization.

145634663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The square root of 145634663 is about 12067.9187517981. The cubic root of 145634663 is about 526.1241677017.

The spelling of 145634663 in words is "one hundred forty-five million, six hundred thirty-four thousand, six hundred sixty-three".