1542143424 has 56 divisors (see below), whose sum is σ = 4190550928. Its totient is φ = 500152320.

The previous prime is 1542143419. The next prime is 1542143441. The reversal of 1542143424 is 4243412451.

It is a junction number, because it is equal to n+sod(n) for n = 1542143391 and 1542143400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101437 + ... + 115644.

Almost surely, 2^1542143424 is an apocalyptic number.

It is an amenable number.

1542143424 is an abundant number, since it is smaller than the sum of its proper divisors (2648407504).

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

1542143424 is a wasteful number, since it uses less digits than its factorization.

1542143424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217133 (or 217123 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 1542143424 is about 39270.1339951877. The cubic root of 1542143424 is about 1155.3358652926.

Adding to 1542143424 its reverse (4243412451), we get a palindrome (5785555875).

The spelling of 1542143424 in words is "one billion, five hundred forty-two million, one hundred forty-three thousand, four hundred twenty-four".