145174 has 8 divisors (see below), whose sum is σ = 225360. Its totient is φ = 70056.

The previous prime is 145139. The next prime is 145177. The reversal of 145174 is 471541.

145174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145177) by changing a digit.

145174 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (28170).

2¹⁴⁵¹⁷⁴ is an apocalyptic number.

145174 is a deficient number, since it is larger than the sum of its proper divisors (80186).

145174 is a wasteful number, since it uses less digits than its factorization.

145174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its digits is 560, while the sum is 22.

The square root of 145174 is about 381.0170599855. The cubic root of 145174 is about 52.5568846763.

The spelling of 145174 in words is "one hundred forty-five thousand, one hundred seventy-four".