145564633 has 2 divisors, whose sum is σ = 145564634. Its totient is φ = 145564632.

The previous prime is 145564613. The next prime is 145564651. The reversal of 145564633 is 336465541.

145564633 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 can be written as a sum of positive squares in only one way, i.e., 136492489 + 9072144 = 11683^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 145564633 - 2¹³ = 145556441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145564592 and 145564601.

It is not a weakly prime, because it can be changed into another prime (145564603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72782316 + 72782317.

It is an arithmetic number, because the mean of its divisors is an integer number (72782317).

Almost surely, 2^145564633 is an apocalyptic number.

It is an amenable number.

145564633 is a deficient number, since it is larger than the sum of its proper divisors (1).

145564633 is an equidigital number, since it uses as much as digits as its factorization.

145564633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

The square root of 145564633 is about 12065.0169084009. The cubic root of 145564633 is about 526.0398233522.

The spelling of 145564633 in words is "one hundred forty-five million, five hundred sixty-four thousand, six hundred thirty-three".