145404100117 has 2 divisors, whose sum is σ = 145404100118. Its totient is φ = 145404100116.

The previous prime is 145404100097. The next prime is 145404100159. The reversal of 145404100117 is 711001404541.

145404100117 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 can be written as a sum of positive squares in only one way, i.e., 136242930321 + 9161169796 = 369111^2 + 95714^2 .

It is a cyclic number.

It is not a de Polignac number, because 145404100117 - 2¹⁵ = 145404067349 is a prime.

It is a super-2 number, since 2×145404100117² (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 (145404100187) 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, 72702050058 + 72702050059.

It is an arithmetic number, because the mean of its divisors is an integer number (72702050059).

Almost surely, 2^145404100117 is an apocalyptic number.

It is an amenable number.

145404100117 is a deficient number, since it is larger than the sum of its proper divisors (1).

145404100117 is an equidigital number, since it uses as much as digits as its factorization.

145404100117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 145404100117 its reverse (711001404541), we get a palindrome (856405504658).

The spelling of 145404100117 in words is "one hundred forty-five billion, four hundred four million, one hundred thousand, one hundred seventeen".