145440343567 has 2 divisors, whose sum is σ = 145440343568. Its totient is φ = 145440343566.

The previous prime is 145440343561. The next prime is 145440343637. The reversal of 145440343567 is 765343044541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145440343567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145440343561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72720171783 + 72720171784.

It is an arithmetic number, because the mean of its divisors is an integer number (72720171784).

Almost surely, 2^145440343567 is an apocalyptic number.

145440343567 is a deficient number, since it is larger than the sum of its proper divisors (1).

145440343567 is an equidigital number, since it uses as much as digits as its factorization.

145440343567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 145440343567 in words is "one hundred forty-five billion, four hundred forty million, three hundred forty-three thousand, five hundred sixty-seven".