1535543042 has 16 divisors (see below), whose sum is σ = 2529576000. Its totient is φ = 693288240.

The previous prime is 1535543041. The next prime is 1535543081. The reversal of 1535543042 is 2403455351.

It is a happy number.

It is a super-2 number, since 2×1535543042² = 4715784867669227528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1535543041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 230942 + ... + 237497.

It is an arithmetic number, because the mean of its divisors is an integer number (158098500).

Almost surely, 2^1535543042 is an apocalyptic number.

1535543042 is a deficient number, since it is larger than the sum of its proper divisors (994032958).

1535543042 is a wasteful number, since it uses less digits than its factorization.

1535543042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468601.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 1535543042 is about 39186.0056908075. The cubic root of 1535543042 is about 1153.6852269325.

Adding to 1535543042 its reverse (2403455351), we get a palindrome (3938998393).

The spelling of 1535543042 in words is "one billion, five hundred thirty-five million, five hundred forty-three thousand, forty-two".