145173382 has 16 divisors (see below), whose sum is σ = 220158000. Its totient is φ = 71791840.

The previous prime is 145173373. The next prime is 145173383. The reversal of 145173382 is 283371541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145173383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79257 + ... + 81067.

It is an arithmetic number, because the mean of its divisors is an integer number (13759875).

Almost surely, 2^145173382 is an apocalyptic number.

145173382 is a deficient number, since it is larger than the sum of its proper divisors (74984618).

145173382 is a wasteful number, since it uses less digits than its factorization.

145173382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 20160, while the sum is 34.

The square root of 145173382 is about 12048.7917236543. The cubic root of 145173382 is about 525.5681009864.

The spelling of 145173382 in words is "one hundred forty-five million, one hundred seventy-three thousand, three hundred eighty-two".