1546874945 has 16 divisors (see below), whose sum is σ = 2314286208. Its totient is φ = 964285440.

The previous prime is 1546874881. The next prime is 1546874963. The reversal of 1546874945 is 5494786451.

It is a happy number.

It is not a de Polignac number, because 1546874945 - 2⁶ = 1546874881 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 2008544 + ... + 2009313.

It is an arithmetic number, because the mean of its divisors is an integer number (144642888).

Almost surely, 2^1546874945 is an apocalyptic number.

It is an amenable number.

1546874945 is a deficient number, since it is larger than the sum of its proper divisors (767411263).

1546874945 is a wasteful number, since it uses less digits than its factorization.

1546874945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017880.

The product of its digits is 4838400, while the sum is 53.

The square root of 1546874945 is about 39330.3311071748. The cubic root of 1546874945 is about 1156.5162385888.

The spelling of 1546874945 in words is "one billion, five hundred forty-six million, eight hundred seventy-four thousand, nine hundred forty-five".