545113540 has 12 divisors (see below), whose sum is σ = 1144738476. Its totient is φ = 218045408.

The previous prime is 545113531. The next prime is 545113549. The reversal of 545113540 is 45311545.

It is an interprime number because it is at equal distance from previous prime (545113531) and next prime (545113549).

It can be written as a sum of positive squares in 2 ways, for example, as 212926464 + 332187076 = 14592^2 + 18226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545113499 and 545113508.

It is not an unprimeable number, because it can be changed into a prime (545113549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13627819 + ... + 13627858.

It is an arithmetic number, because the mean of its divisors is an integer number (95394873).

Almost surely, 2^545113540 is an apocalyptic number.

It is an amenable number.

545113540 is an abundant number, since it is smaller than the sum of its proper divisors (599624936).

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

545113540 is a wasteful number, since it uses less digits than its factorization.

545113540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27255686 (or 27255684 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 545113540 is about 23347.6666928411. Note that the first 4 decimals coincide. The cubic root of 545113540 is about 816.8876366283.

The spelling of 545113540 in words is "five hundred forty-five million, one hundred thirteen thousand, five hundred forty".