145436611363633 has 4 divisors (see below), whose sum is σ = 148180698370548. Its totient is φ = 142692524356720.

The previous prime is 145436611363609. The next prime is 145436611363699. The reversal of 145436611363633 is 336363116634541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92990380495104 + 52446230868529 = 9643152^2 + 7241977^2 .

It is a cyclic number.

It is not a de Polignac number, because 145436611363633 - 2⁵ = 145436611363601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145436611363133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372043503378 + ... + 1372043503483.

It is an arithmetic number, because the mean of its divisors is an integer number (37045174592637).

Almost surely, 2^{145436611363633} is an apocalyptic number.

It is an amenable number.

145436611363633 is a deficient number, since it is larger than the sum of its proper divisors (2744087006915).

145436611363633 is an equidigital number, since it uses as much as digits as its factorization.

145436611363633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744087006914.

The product of its digits is 25194240, while the sum is 55.

The spelling of 145436611363633 in words is "one hundred forty-five trillion, four hundred thirty-six billion, six hundred eleven million, three hundred sixty-three thousand, six hundred thirty-three".