145663034449 has 2 divisors, whose sum is σ = 145663034450. Its totient is φ = 145663034448.

The previous prime is 145663034393. The next prime is 145663034467. The reversal of 145663034449 is 944430366541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127266995025 + 18396039424 = 356745^2 + 135632^2 .

It is a cyclic number.

It is not a de Polignac number, because 145663034449 - 2²³ = 145654645841 is a prime.

It is not a weakly prime, because it can be changed into another prime (145663034479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72831517224 + 72831517225.

It is an arithmetic number, because the mean of its divisors is an integer number (72831517225).

Almost surely, 2^145663034449 is an apocalyptic number.

It is an amenable number.

145663034449 is a deficient number, since it is larger than the sum of its proper divisors (1).

145663034449 is an equidigital number, since it uses as much as digits as its factorization.

145663034449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 145663034449 in words is "one hundred forty-five billion, six hundred sixty-three million, thirty-four thousand, four hundred forty-nine".