145164336231 has 8 divisors (see below), whose sum is σ = 193603926384. Its totient is φ = 96750485120.

The previous prime is 145164336221. The next prime is 145164336241. The reversal of 145164336231 is 132633461541.

It is an interprime number because it is at equal distance from previous prime (145164336221) and next prime (145164336241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145164336231 - 2¹³ = 145164328039 is a prime.

It is a super-2 number, since 2×145164336231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145164336231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145164336221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6421596 + ... + 6444161.

It is an arithmetic number, because the mean of its divisors is an integer number (24200490798).

Almost surely, 2^145164336231 is an apocalyptic number.

145164336231 is a deficient number, since it is larger than the sum of its proper divisors (48439590153).

145164336231 is a wasteful number, since it uses less digits than its factorization.

145164336231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12869521.

The product of its digits is 155520, while the sum is 39.

Adding to 145164336231 its reverse (132633461541), we get a palindrome (277797797772).

The spelling of 145164336231 in words is "one hundred forty-five billion, one hundred sixty-four million, three hundred thirty-six thousand, two hundred thirty-one".