145969151327977 has 2 divisors, whose sum is σ = 145969151327978. Its totient is φ = 145969151327976.

The previous prime is 145969151327893. The next prime is 145969151327999. The reversal of 145969151327977 is 779723151969541.

145969151327977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119770610688576 + 26198540639401 = 10943976^2 + 5118451^2 .

It is a cyclic number.

It is not a de Polignac number, because 145969151327977 - 2⁷ = 145969151327849 is a prime.

It is not a weakly prime, because it can be changed into another prime (145969151327477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72984575663988 + 72984575663989.

It is an arithmetic number, because the mean of its divisors is an integer number (72984575663989).

Almost surely, 2^{145969151327977} is an apocalyptic number.

It is an amenable number.

145969151327977 is a deficient number, since it is larger than the sum of its proper divisors (1).

145969151327977 is an equidigital number, since it uses as much as digits as its factorization.

145969151327977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900169200, while the sum is 76.

The spelling of 145969151327977 in words is "one hundred forty-five trillion, nine hundred sixty-nine billion, one hundred fifty-one million, three hundred twenty-seven thousand, nine hundred seventy-seven".