545412 has 48 divisors (see below), whose sum is σ = 1498112. Its totient is φ = 151200.

The previous prime is 545387. The next prime is 545429. The reversal of 545412 is 214545.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3537 + ... + 3687.

2⁵⁴⁵⁴¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749056).

545412 is an abundant number, since it is smaller than the sum of its proper divisors (952700).

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

545412 is a wasteful number, since it uses less digits than its factorization.

545412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 545412 is about 738.5201419054. The cubic root of 545412 is about 81.7036696584.

Adding to 545412 its reverse (214545), we get a palindrome (759957).

The spelling of 545412 in words is "five hundred forty-five thousand, four hundred twelve".