145858744573 has 2 divisors, whose sum is σ = 145858744574. Its totient is φ = 145858744572.

The previous prime is 145858744511. The next prime is 145858744579. The reversal of 145858744573 is 375447858541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78522127524 + 67336617049 = 280218^2 + 259493^2 .

It is a cyclic number.

It is not a de Polignac number, because 145858744573 - 2²¹ = 145856647421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145858744579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72929372286 + 72929372287.

It is an arithmetic number, because the mean of its divisors is an integer number (72929372287).

Almost surely, 2^145858744573 is an apocalyptic number.

It is an amenable number.

145858744573 is a deficient number, since it is larger than the sum of its proper divisors (1).

145858744573 is an equidigital number, since it uses as much as digits as its factorization.

145858744573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264000, while the sum is 61.

The spelling of 145858744573 in words is "one hundred forty-five billion, eight hundred fifty-eight million, seven hundred forty-four thousand, five hundred seventy-three".