145136622991 has 2 divisors, whose sum is σ = 145136622992. Its totient is φ = 145136622990.

The previous prime is 145136622929. The next prime is 145136623091. The reversal of 145136622991 is 199226631541.

145136622991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145136622991 - 2³⁵ = 110776884623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145136620991) 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, 72568311495 + 72568311496.

It is an arithmetic number, because the mean of its divisors is an integer number (72568311496).

Almost surely, 2^145136622991 is an apocalyptic number.

145136622991 is a deficient number, since it is larger than the sum of its proper divisors (1).

145136622991 is an equidigital number, since it uses as much as digits as its factorization.

145136622991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The spelling of 145136622991 in words is "one hundred forty-five billion, one hundred thirty-six million, six hundred twenty-two thousand, nine hundred ninety-one".