1545118864 has 45 divisors (see below), whose sum is σ = 3103141881. Its totient is φ = 745279680.

The previous prime is 1545118849. The next prime is 1545118867. The reversal of 1545118864 is 4688115451.

The square root of 1545118864 is 39308.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 86490000 + 1458628864 = 9300^2 + 38192^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1545118864.

It is not an unprimeable number, because it can be changed into a prime (1545118867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4874034 + ... + 4874350.

Almost surely, 2^1545118864 is an apocalyptic number.

1545118864 is the 39308-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545118864

1545118864 is an abundant number, since it is smaller than the sum of its proper divisors (1558023017).

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

1545118864 is an frugal number, since it uses more digits than its factorization.

1545118864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 350 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The cubic root of 1545118864 is about 1156.0784300423.

It can be divided in two parts, 1545 and 118864, that added together give a square (120409 = 347²).

The spelling of 1545118864 in words is "one billion, five hundred forty-five million, one hundred eighteen thousand, eight hundred sixty-four".