545343745 has 8 divisors (see below), whose sum is σ = 654552360. Its totient is φ = 436181760.

The previous prime is 545343737. The next prime is 545343791. The reversal of 545343745 is 547343545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41835024 + 503508721 = 6468^2 + 22439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545343745 - 2³ = 545343737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545343698 and 545343707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23991 + ... + 40819.

It is an arithmetic number, because the mean of its divisors is an integer number (81819045).

Almost surely, 2^545343745 is an apocalyptic number.

It is an amenable number.

545343745 is a deficient number, since it is larger than the sum of its proper divisors (109208615).

545343745 is a wasteful number, since it uses less digits than its factorization.

545343745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23315.

The product of its digits is 504000, while the sum is 40.

The square root of 545343745 is about 23352.5961083559. The cubic root of 545343745 is about 817.0026127688.

The spelling of 545343745 in words is "five hundred forty-five million, three hundred forty-three thousand, seven hundred forty-five".