145165231133 has 16 divisors (see below), whose sum is σ = 159688440576. Its totient is φ = 131122632000.

The previous prime is 145165231093. The next prime is 145165231139. The reversal of 145165231133 is 331132561541.

It is a cyclic number.

It is not a de Polignac number, because 145165231133 - 2⁸ = 145165230877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145165231093 and 145165231102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145165231139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3678758 + ... + 3718008.

It is an arithmetic number, because the mean of its divisors is an integer number (9980527536).

Almost surely, 2^145165231133 is an apocalyptic number.

145165231133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145165231133 is a deficient number, since it is larger than the sum of its proper divisors (14523209443).

145165231133 is a wasteful number, since it uses less digits than its factorization.

145165231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45364.

The product of its digits is 32400, while the sum is 35.

Adding to 145165231133 its reverse (331132561541), we get a palindrome (476297792674).

The spelling of 145165231133 in words is "one hundred forty-five billion, one hundred sixty-five million, two hundred thirty-one thousand, one hundred thirty-three".