145168183 has 2 divisors, whose sum is σ = 145168184. Its totient is φ = 145168182.

The previous prime is 145168141. The next prime is 145168193. The reversal of 145168183 is 381861541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145168183 - 2²⁵ = 111613751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145168123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72584091 + 72584092.

It is an arithmetic number, because the mean of its divisors is an integer number (72584092).

Almost surely, 2^145168183 is an apocalyptic number.

145168183 is a deficient number, since it is larger than the sum of its proper divisors (1).

145168183 is an equidigital number, since it uses as much as digits as its factorization.

145168183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 145168183 is about 12048.5759739481. The cubic root of 145168183 is about 525.5618269686.

The spelling of 145168183 in words is "one hundred forty-five million, one hundred sixty-eight thousand, one hundred eighty-three".