1545103144 has 16 divisors (see below), whose sum is σ = 3119920020. Its totient is φ = 713124480.

The previous prime is 1545103037. The next prime is 1545103169. The reversal of 1545103144 is 4413015451.

It can be written as a sum of positive squares in 2 ways, for example, as 1072562500 + 472540644 = 32750^2 + 21738^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7428277 + ... + 7428484.

Almost surely, 2^1545103144 is an apocalyptic number.

It is an amenable number.

1545103144 is an abundant number, since it is smaller than the sum of its proper divisors (1574816876).

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

1545103144 is a wasteful number, since it uses less digits than its factorization.

1545103144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856780 (or 14856776 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1545103144 is about 39307.8000401956. The cubic root of 1545103144 is about 1156.0745093915.

Adding to 1545103144 its reverse (4413015451), we get a palindrome (5958118595).

The spelling of 1545103144 in words is "one billion, five hundred forty-five million, one hundred three thousand, one hundred forty-four".