145634562117 has 20 divisors (see below), whose sum is σ = 237330398976. Its totient is φ = 88263370440.

The previous prime is 145634562097. The next prime is 145634562163. The reversal of 145634562117 is 711265436541.

It is a happy number.

145634562117 is a `hidden beast` number, since 1 + 4 + 5 + 6 + 3 + 4 + 5 + 621 + 17 = 666.

It is not a de Polignac number, because 145634562117 - 2¹⁵ = 145634529349 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145634562187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81724453 + ... + 81726234.

Almost surely, 2^145634562117 is an apocalyptic number.

It is an amenable number.

145634562117 is a deficient number, since it is larger than the sum of its proper divisors (91695836859).

145634562117 is a wasteful number, since it uses less digits than its factorization.

145634562117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163450710 (or 163450701 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

Adding to 145634562117 its reverse (711265436541), we get a palindrome (856899998658).

The spelling of 145634562117 in words is "one hundred forty-five billion, six hundred thirty-four million, five hundred sixty-two thousand, one hundred seventeen".