538069545 has 48 divisors (see below), whose sum is σ = 1011301200. Its totient is φ = 263075328.

The previous prime is 538069541. The next prime is 538069547. The reversal of 538069545 is 545960835.

538069545 is a `hidden beast` number, since 538 + 0 + 69 + 54 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 294053904 + 244015641 = 17148^2 + 15621^2 .

It is not a de Polignac number, because 538069545 - 2² = 538069541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538069545.

It is not an unprimeable number, because it can be changed into a prime (538069541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84079 + ... + 90251.

It is an arithmetic number, because the mean of its divisors is an integer number (21068775).

Almost surely, 2^538069545 is an apocalyptic number.

It is an amenable number.

538069545 is a deficient number, since it is larger than the sum of its proper divisors (473231655).

538069545 is a wasteful number, since it uses less digits than its factorization.

538069545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346 (or 6343 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 538069545 is about 23196.3261099684. The cubic root of 538069545 is about 813.3537446541.

The spelling of 538069545 in words is "five hundred thirty-eight million, sixty-nine thousand, five hundred forty-five".