1543382948 has 12 divisors (see below), whose sum is σ = 2738961792. Its totient is φ = 760822440.

The previous prime is 1543382881. The next prime is 1543382963. The reversal of 1543382948 is 8492833451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2716940 + ... + 2717507.

It is an arithmetic number, because the mean of its divisors is an integer number (228246816).

Almost surely, 2^1543382948 is an apocalyptic number.

It is an amenable number.

1543382948 is a deficient number, since it is larger than the sum of its proper divisors (1195578844).

1543382948 is a wasteful number, since it uses less digits than its factorization.

1543382948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434522 (or 5434520 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 1543382948 is about 39285.9128441735. The cubic root of 1543382948 is about 1155.6453226793.

The spelling of 1543382948 in words is "one billion, five hundred forty-three million, three hundred eighty-two thousand, nine hundred forty-eight".