145232606503 has 4 divisors (see below), whose sum is σ = 145699592688. Its totient is φ = 144765620320.

The previous prime is 145232606501. The next prime is 145232606513. The reversal of 145232606503 is 305606232541.

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

It is a cyclic number.

It is not a de Polignac number, because 145232606503 - 2¹ = 145232606501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145232606501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233492626 + ... + 233493247.

It is an arithmetic number, because the mean of its divisors is an integer number (36424898172).

Almost surely, 2^145232606503 is an apocalyptic number.

145232606503 is a deficient number, since it is larger than the sum of its proper divisors (466986185).

145232606503 is an equidigital number, since it uses as much as digits as its factorization.

145232606503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466986184.

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

The spelling of 145232606503 in words is "one hundred forty-five billion, two hundred thirty-two million, six hundred six thousand, five hundred three".