1545045875 has 16 divisors (see below), whose sum is σ = 1930219200. Its totient is φ = 1234753600.

The previous prime is 1545045871. The next prime is 1545045883. The reversal of 1545045875 is 5785405451.

It is not a de Polignac number, because 1545045875 - 2² = 1545045871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1545045871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125234 + ... + 137016.

It is an arithmetic number, because the mean of its divisors is an integer number (120638700).

Almost surely, 2^1545045875 is an apocalyptic number.

1545045875 is a deficient number, since it is larger than the sum of its proper divisors (385173325).

1545045875 is a wasteful number, since it uses less digits than its factorization.

1545045875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12847 (or 12837 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 44.

The square root of 1545045875 is about 39307.0715647961. The cubic root of 1545045875 is about 1156.0602259763.

The spelling of 1545045875 in words is "one billion, five hundred forty-five million, forty-five thousand, eight hundred seventy-five".