545409332 has 12 divisors (see below), whose sum is σ = 1027886916. Its totient is φ = 251727360.

The previous prime is 545409331. The next prime is 545409391. The reversal of 545409332 is 233904545.

It can be written as a sum of positive squares in 2 ways, for example, as 80748196 + 464661136 = 8986^2 + 21556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545409292 and 545409301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545409331) 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, 5244269 + ... + 5244372.

It is an arithmetic number, because the mean of its divisors is an integer number (85657243).

Almost surely, 2^545409332 is an apocalyptic number.

545409332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

545409332 is a deficient number, since it is larger than the sum of its proper divisors (482477584).

545409332 is a wasteful number, since it uses less digits than its factorization.

545409332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488658 (or 10488656 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 545409332 is about 23354.0003425537. Note that the first 3 decimals coincide. The cubic root of 545409332 is about 817.0353643454.

The spelling of 545409332 in words is "five hundred forty-five million, four hundred nine thousand, three hundred thirty-two".