145552057193 has 2 divisors, whose sum is σ = 145552057194. Its totient is φ = 145552057192.

The previous prime is 145552057163. The next prime is 145552057213. The reversal of 145552057193 is 391750255541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136166904064 + 9385153129 = 369008^2 + 96877^2 .

It is an emirp because it is prime and its reverse (391750255541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145552057193 - 2²⁴ = 145535279977 is a prime.

It is a super-2 number, since 2×145552057193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145552057103) 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, 72776028596 + 72776028597.

It is an arithmetic number, because the mean of its divisors is an integer number (72776028597).

Almost surely, 2^145552057193 is an apocalyptic number.

It is an amenable number.

145552057193 is a deficient number, since it is larger than the sum of its proper divisors (1).

145552057193 is an equidigital number, since it uses as much as digits as its factorization.

145552057193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 145552057193 in words is "one hundred forty-five billion, five hundred fifty-two million, fifty-seven thousand, one hundred ninety-three".