145345143577 has 2 divisors, whose sum is σ = 145345143578. Its totient is φ = 145345143576.

The previous prime is 145345143571. The next prime is 145345143631. The reversal of 145345143577 is 775341543541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143450805001 + 1894338576 = 378749^2 + 43524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145345143577 is a prime.

It is a super-2 number, since 2×145345143577² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145345143577.

It is not a weakly prime, because it can be changed into another prime (145345143571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72672571788 + 72672571789.

It is an arithmetic number, because the mean of its divisors is an integer number (72672571789).

Almost surely, 2^145345143577 is an apocalyptic number.

It is an amenable number.

145345143577 is a deficient number, since it is larger than the sum of its proper divisors (1).

145345143577 is an equidigital number, since it uses as much as digits as its factorization.

145345143577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 49.

The spelling of 145345143577 in words is "one hundred forty-five billion, three hundred forty-five million, one hundred forty-three thousand, five hundred seventy-seven".