1543036042 has 32 divisors (see below), whose sum is σ = 2491617024. Its totient is φ = 714067200.

The previous prime is 1543036039. The next prime is 1543036043. The reversal of 1543036042 is 2406303451.

It is a super-2 number, since 2×1543036042² = 4761920453822051528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1543036042.

It is not an unprimeable number, because it can be changed into a prime (1543036043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522728 + ... + 1523740.

It is an arithmetic number, because the mean of its divisors is an integer number (77863032).

Almost surely, 2^1543036042 is an apocalyptic number.

1543036042 is a deficient number, since it is larger than the sum of its proper divisors (948580982).

1543036042 is a wasteful number, since it uses less digits than its factorization.

1543036042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1543036042 is about 39281.4974510901. The cubic root of 1543036042 is about 1155.5587314378.

Adding to 1543036042 its reverse (2406303451), we get a palindrome (3949339493).

The spelling of 1543036042 in words is "one billion, five hundred forty-three million, thirty-six thousand, forty-two".