545370 has 64 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 122304.

The previous prime is 545329. The next prime is 545371. The reversal of 545370 is 73545.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 545370.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545370.

It is not an unprimeable number, because it can be changed into a prime (545371) by changing a digit.

545370 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 31 ways as a sum of consecutive naturals, for example, 10264 + ... + 10316.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2⁵⁴⁵³⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

545370 is an abundant number, since it is smaller than the sum of its proper divisors (1009830).

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

545370 is a wasteful number, since it uses less digits than its factorization.

545370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 545370 is about 738.4917061146. The cubic root of 545370 is about 81.7015723802.

The spelling of 545370 in words is "five hundred forty-five thousand, three hundred seventy".