145675381181 has 8 divisors (see below), whose sum is σ = 159373956000. Its totient is φ = 132052699440.

The previous prime is 145675381171. The next prime is 145675381199. The reversal of 145675381181 is 181183576541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145675381181 is a prime.

It is a super-2 number, since 2×145675381181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145675381121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18969251 + ... + 18976928.

It is an arithmetic number, because the mean of its divisors is an integer number (19921744500).

Almost surely, 2^145675381181 is an apocalyptic number.

145675381181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145675381181 is a deficient number, since it is larger than the sum of its proper divisors (13698574819).

145675381181 is a wasteful number, since it uses less digits than its factorization.

145675381181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37946539.

The product of its digits is 806400, while the sum is 50.

The spelling of 145675381181 in words is "one hundred forty-five billion, six hundred seventy-five million, three hundred eighty-one thousand, one hundred eighty-one".