545162140 has 24 divisors (see below), whose sum is σ = 1160968032. Its totient is φ = 214992960.

The previous prime is 545162131. The next prime is 545162141. The reversal of 545162140 is 41261545.

It is a junction number, because it is equal to n+sod(n) for n = 545162099 and 545162108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545162141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190539 + ... + 193378.

It is an arithmetic number, because the mean of its divisors is an integer number (48373668).

Almost surely, 2^545162140 is an apocalyptic number.

It is an amenable number.

545162140 is an abundant number, since it is smaller than the sum of its proper divisors (615805892).

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

545162140 is a wasteful number, since it uses less digits than its factorization.

545162140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383997 (or 383995 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 545162140 is about 23348.7074588723. The cubic root of 545162140 is about 816.9119126470.

The spelling of 545162140 in words is "five hundred forty-five million, one hundred sixty-two thousand, one hundred forty".