145167140669 has 2 divisors, whose sum is σ = 145167140670. Its totient is φ = 145167140668.

The previous prime is 145167140623. The next prime is 145167140693. The reversal of 145167140669 is 966041761541.

145167140669 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., 135284196100 + 9882944569 = 367810^2 + 99413^2 .

It is a cyclic number.

It is not a de Polignac number, because 145167140669 - 2¹² = 145167136573 is a prime.

It is a super-2 number, since 2×145167140669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145167142669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72583570334 + 72583570335.

It is an arithmetic number, because the mean of its divisors is an integer number (72583570335).

Almost surely, 2^145167140669 is an apocalyptic number.

It is an amenable number.

145167140669 is a deficient number, since it is larger than the sum of its proper divisors (1).

145167140669 is an equidigital number, since it uses as much as digits as its factorization.

145167140669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 145167140669 in words is "one hundred forty-five billion, one hundred sixty-seven million, one hundred forty thousand, six hundred sixty-nine".