1542511400144 has 40 divisors (see below), whose sum is σ = 3511101129312. Its totient is φ = 647207579520.

The previous prime is 1542511400099. The next prime is 1542511400167. The reversal of 1542511400144 is 4410041152451.

It is a self number, because there is not a number n which added to its sum of digits gives 1542511400144.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 337084994 + ... + 337089569.

Almost surely, 2^{1542511400144} is an apocalyptic number.

It is an amenable number.

1542511400144 is an abundant number, since it is smaller than the sum of its proper divisors (1968589729168).

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

1542511400144 is a wasteful number, since it uses less digits than its factorization.

1542511400144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674174595 (or 674174589 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 1542511400144 its reverse (4410041152451), we get a palindrome (5952552552595).

The spelling of 1542511400144 in words is "one trillion, five hundred forty-two billion, five hundred eleven million, four hundred thousand, one hundred forty-four".