1544133241542 has 32 divisors (see below), whose sum is σ = 3092972198400. Its totient is φ = 513927034848.

The previous prime is 1544133241531. The next prime is 1544133241549. The reversal of 1544133241542 is 2451423314451.

It is a self number, because there is not a number n which added to its sum of digits gives 1544133241542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1544133241549) 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, 29269084 + ... + 29321792.

It is an arithmetic number, because the mean of its divisors is an integer number (96655381200).

Almost surely, 2^{1544133241542} is an apocalyptic number.

1544133241542 is an abundant number, since it is smaller than the sum of its proper divisors (1548838956858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1544133241542 is a wasteful number, since it uses less digits than its factorization.

1544133241542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60060.

The product of its digits is 230400, while the sum is 39.

Adding to 1544133241542 its reverse (2451423314451), we get a palindrome (3995556555993).

The spelling of 1544133241542 in words is "one trillion, five hundred forty-four billion, one hundred thirty-three million, two hundred forty-one thousand, five hundred forty-two".