145305002431 has 2 divisors, whose sum is σ = 145305002432. Its totient is φ = 145305002430.

The previous prime is 145305002419. The next prime is 145305002543. The reversal of 145305002431 is 134200503541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145305002431 is a prime.

It is a super-2 number, since 2×145305002431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145305002431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145305000431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72652501215 + 72652501216.

It is an arithmetic number, because the mean of its divisors is an integer number (72652501216).

Almost surely, 2^145305002431 is an apocalyptic number.

145305002431 is a deficient number, since it is larger than the sum of its proper divisors (1).

145305002431 is an equidigital number, since it uses as much as digits as its factorization.

145305002431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 145305002431 its reverse (134200503541), we get a palindrome (279505505972).

The spelling of 145305002431 in words is "one hundred forty-five billion, three hundred five million, two thousand, four hundred thirty-one".