1545343144 has 16 divisors (see below), whose sum is σ = 2904822900. Its totient is φ = 770723712.

The previous prime is 1545343123. The next prime is 1545343153. The reversal of 1545343144 is 4413435451.

It can be written as a sum of positive squares in 2 ways, for example, as 1398012100 + 147331044 = 37390^2 + 12138^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 240109 + ... + 246460.

Almost surely, 2^1545343144 is an apocalyptic number.

It is an amenable number.

1545343144 is a deficient number, since it is larger than the sum of its proper divisors (1359479756).

1545343144 is a wasteful number, since it uses less digits than its factorization.

1545343144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486972 (or 486968 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 1545343144 is about 39310.8527508626. The cubic root of 1545343144 is about 1156.1343637597.

Adding to 1545343144 its reverse (4413435451), we get a palindrome (5958778595).

The spelling of 1545343144 in words is "one billion, five hundred forty-five million, three hundred forty-three thousand, one hundred forty-four".