145573113397 has 2 divisors, whose sum is σ = 145573113398. Its totient is φ = 145573113396.

The previous prime is 145573113391. The next prime is 145573113419. The reversal of 145573113397 is 793311375541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107160641316 + 38412472081 = 327354^2 + 195991^2 .

It is a cyclic number.

It is not a de Polignac number, because 145573113397 - 2³¹ = 143425629749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145573113397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145573113391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72786556698 + 72786556699.

It is an arithmetic number, because the mean of its divisors is an integer number (72786556699).

Almost surely, 2^145573113397 is an apocalyptic number.

It is an amenable number.

145573113397 is a deficient number, since it is larger than the sum of its proper divisors (1).

145573113397 is an equidigital number, since it uses as much as digits as its factorization.

145573113397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 49.

The spelling of 145573113397 in words is "one hundred forty-five billion, five hundred seventy-three million, one hundred thirteen thousand, three hundred ninety-seven".