145470 has 32 divisors (see below), whose sum is σ = 376992. Its totient is φ = 35712.

The previous prime is 145463. The next prime is 145471. The reversal of 145470 is 74541.

145470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

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 145470.

It is not an unprimeable number, because it can be changed into a prime (145471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (11781).

2¹⁴⁵⁴⁷⁰ is an apocalyptic number.

145470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188496).

145470 is an abundant number, since it is smaller than the sum of its proper divisors (231522).

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

145470 is a wasteful number, since it uses less digits than its factorization.

145470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 145470 is about 381.4052962401. The cubic root of 145470 is about 52.5925804085.

The spelling of 145470 in words is "one hundred forty-five thousand, four hundred seventy".