145312663 has 2 divisors, whose sum is σ = 145312664. Its totient is φ = 145312662.

The previous prime is 145312633. The next prime is 145312681. The reversal of 145312663 is 366213541.

145312663 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 a de Polignac number, because none of the positive numbers 2^k-145312663 is a prime.

It is a super-2 number, since 2×145312663² = 42231540056303138, which contains 22 as substring.

It is equal to p_8195170 and since 145312663 and 8195170 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145312603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72656331 + 72656332.

It is an arithmetic number, because the mean of its divisors is an integer number (72656332).

Almost surely, 2^145312663 is an apocalyptic number.

145312663 is a deficient number, since it is larger than the sum of its proper divisors (1).

145312663 is an equidigital number, since it uses as much as digits as its factorization.

145312663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 145312663 is about 12054.5702121643. The cubic root of 145312663 is about 525.7361259415.

The spelling of 145312663 in words is "one hundred forty-five million, three hundred twelve thousand, six hundred sixty-three".