1542043043303 has 16 divisors (see below), whose sum is σ = 1769799297024. Its totient is φ = 1316159234880.

The previous prime is 1542043043293. The next prime is 1542043043311. The reversal of 1542043043303 is 3033403402451.

It is not a de Polignac number, because 1542043043303 - 2⁶ = 1542043043239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1542043043303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542043043803) 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, 2661326 + ... + 3188532.

It is an arithmetic number, because the mean of its divisors is an integer number (110612456064).

Almost surely, 2^{1542043043303} is an apocalyptic number.

1542043043303 is a deficient number, since it is larger than the sum of its proper divisors (227756253721).

1542043043303 is a wasteful number, since it uses less digits than its factorization.

1542043043303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528982.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 1542043043303 its reverse (3033403402451), we get a palindrome (4575446445754).

The spelling of 1542043043303 in words is "one trillion, five hundred forty-two billion, forty-three million, forty-three thousand, three hundred three".