145275614689 has 2 divisors, whose sum is σ = 145275614690. Its totient is φ = 145275614688.

The previous prime is 145275614629. The next prime is 145275614711. The reversal of 145275614689 is 986416572541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78194614689 + 67081000000 = 279633^2 + 259000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145275614689 is a prime.

It is a super-2 number, since 2×145275614689² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145275614629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72637807344 + 72637807345.

It is an arithmetic number, because the mean of its divisors is an integer number (72637807345).

Almost surely, 2^145275614689 is an apocalyptic number.

It is an amenable number.

145275614689 is a deficient number, since it is larger than the sum of its proper divisors (1).

145275614689 is an equidigital number, since it uses as much as digits as its factorization.

145275614689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 58.

The spelling of 145275614689 in words is "one hundred forty-five billion, two hundred seventy-five million, six hundred fourteen thousand, six hundred eighty-nine".