145104 has 20 divisors (see below), whose sum is σ = 374976. Its totient is φ = 48352.

The previous prime is 145091. The next prime is 145109. The reversal of 145104 is 401541.

It is a nialpdrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145104.

It is not an unprimeable number, because it can be changed into a prime (145109) by changing a digit.

145104 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, 1464 + ... + 1559.

2¹⁴⁵¹⁰⁴ is an apocalyptic number.

It is an amenable number.

145104 is an abundant number, since it is smaller than the sum of its proper divisors (229872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145104 is a wasteful number, since it uses less digits than its factorization.

145104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 145104 is about 380.9251895058. The cubic root of 145104 is about 52.5484360252.

Adding to 145104 its reverse (401541), we get a palindrome (546645).

The spelling of 145104 in words is "one hundred forty-five thousand, one hundred four".