1542544135 has 16 divisors (see below), whose sum is σ = 2030624640. Its totient is φ = 1115575840.

The previous prime is 1542544121. The next prime is 1542544141. The reversal of 1542544135 is 5314452451.

It is not a de Polignac number, because 1542544135 - 2⁹ = 1542543623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1542544135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68497 + ... + 88186.

It is an arithmetic number, because the mean of its divisors is an integer number (126914040).

Almost surely, 2^1542544135 is an apocalyptic number.

1542544135 is a deficient number, since it is larger than the sum of its proper divisors (488080505).

1542544135 is a wasteful number, since it uses less digits than its factorization.

1542544135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156878.

The product of its digits is 48000, while the sum is 34.

The square root of 1542544135 is about 39275.2356453784. The cubic root of 1542544135 is about 1155.4359242302.

Adding to 1542544135 its reverse (5314452451), we get a palindrome (6856996586).

The spelling of 1542544135 in words is "one billion, five hundred forty-two million, five hundred forty-four thousand, one hundred thirty-five".