182145893 has 4 divisors (see below), whose sum is σ = 186381888. Its totient is φ = 177909900.

The previous prime is 182145889. The next prime is 182145941. The reversal of 182145893 is 398541281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398541281 = 97 ⋅4108673.

It is a cyclic number.

It is not a de Polignac number, because 182145893 - 2² = 182145889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 182145893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182145823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117933 + ... + 2118018.

It is an arithmetic number, because the mean of its divisors is an integer number (46595472).

Almost surely, 2^182145893 is an apocalyptic number.

It is an amenable number.

182145893 is a deficient number, since it is larger than the sum of its proper divisors (4235995).

182145893 is an equidigital number, since it uses as much as digits as its factorization.

182145893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235994.

The product of its digits is 69120, while the sum is 41.

The square root of 182145893 is about 13496.1436343868. The cubic root of 182145893 is about 566.8564958402.

The spelling of 182145893 in words is "one hundred eighty-two million, one hundred forty-five thousand, eight hundred ninety-three".