145731765299 has 2 divisors, whose sum is σ = 145731765300. Its totient is φ = 145731765298.

The previous prime is 145731765293. The next prime is 145731765367. The reversal of 145731765299 is 992567137541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145731765299 is a prime.

It is not a weakly prime, because it can be changed into another prime (145731765293) 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 as a sum of consecutive naturals, namely, 72865882649 + 72865882650.

It is an arithmetic number, because the mean of its divisors is an integer number (72865882650).

Almost surely, 2^145731765299 is an apocalyptic number.

145731765299 is a deficient number, since it is larger than the sum of its proper divisors (1).

145731765299 is an equidigital number, since it uses as much as digits as its factorization.

145731765299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 59.

The spelling of 145731765299 in words is "one hundred forty-five billion, seven hundred thirty-one million, seven hundred sixty-five thousand, two hundred ninety-nine".