545448120 has 128 divisors (see below), whose sum is σ = 1913725440. Its totient is φ = 121766400.

The previous prime is 545448103. The next prime is 545448121. The reversal of 545448120 is 21844545.

It is a happy number.

It is a super-2 number, since 2×545448120² = 595027303223068800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545448121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28570 + ... + 43670.

It is an arithmetic number, because the mean of its divisors is an integer number (14950980).

Almost surely, 2^545448120 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 545448120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956862720).

545448120 is an abundant number, since it is smaller than the sum of its proper divisors (1368277320).

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

545448120 is a wasteful number, since it uses less digits than its factorization.

545448120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165 (or 15161 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 545448120 is about 23354.8307636771. The cubic root of 545448120 is about 817.0547323165.

The spelling of 545448120 in words is "five hundred forty-five million, four hundred forty-eight thousand, one hundred twenty".