545115120 has 80 divisors (see below), whose sum is σ = 1843489152. Its totient is φ = 132148480.

The previous prime is 545115119. The next prime is 545115127. The reversal of 545115120 is 21511545.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×545115120² = 594300988105228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545115127) 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, 100602 + ... + 105881.

Almost surely, 2^545115120 is an apocalyptic number.

It is an amenable number.

545115120 is an abundant number, since it is smaller than the sum of its proper divisors (1298374032).

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

545115120 is a wasteful number, since it uses less digits than its factorization.

545115120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206510 (or 206504 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 545115120 is about 23347.7005291742. The cubic root of 545115120 is about 816.8884258714. Note that the first 3 decimals are identical.

Adding to 545115120 its reverse (21511545), we get a palindrome (566626665).

The spelling of 545115120 in words is "five hundred forty-five million, one hundred fifteen thousand, one hundred twenty".