145099342393 has 2 divisors, whose sum is σ = 145099342394. Its totient is φ = 145099342392.

The previous prime is 145099342369. The next prime is 145099342441. The reversal of 145099342393 is 393243990541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114262928784 + 30836413609 = 338028^2 + 175603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145099342393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145099342393.

It is not a weakly prime, because it can be changed into another prime (145099342093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72549671196 + 72549671197.

It is an arithmetic number, because the mean of its divisors is an integer number (72549671197).

Almost surely, 2^145099342393 is an apocalyptic number.

It is an amenable number.

145099342393 is a deficient number, since it is larger than the sum of its proper divisors (1).

145099342393 is an equidigital number, since it uses as much as digits as its factorization.

145099342393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 145099342393 in words is "one hundred forty-five billion, ninety-nine million, three hundred forty-two thousand, three hundred ninety-three".