1543047045 has 32 divisors (see below), whose sum is σ = 2532237312. Its totient is φ = 801928512.

The previous prime is 1543047043. The next prime is 1543047049. The reversal of 1543047045 is 5407403451.

It is not a de Polignac number, because 1543047045 - 2¹ = 1543047043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1543046997 and 1543047015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543047043) 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 31 ways as a sum of consecutive naturals, for example, 296052 + ... + 301218.

It is an arithmetic number, because the mean of its divisors is an integer number (79132416).

Almost surely, 2^1543047045 is an apocalyptic number.

1543047045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1543047045 is a deficient number, since it is larger than the sum of its proper divisors (989190267).

1543047045 is a wasteful number, since it uses less digits than its factorization.

1543047045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1543047045 is about 39281.6375040553. The cubic root of 1543047045 is about 1155.5614780970.

The spelling of 1543047045 in words is "one billion, five hundred forty-three million, forty-seven thousand, forty-five".