1542112436 has 12 divisors (see below), whose sum is σ = 2707212228. Its totient is φ = 768623232.

The previous prime is 1542112427. The next prime is 1542112463. The reversal of 1542112436 is 6342112451.

It can be written as a sum of positive squares in 2 ways, for example, as 446899600 + 1095212836 = 21140^2 + 33094^2 .

It is a super-2 number, since 2×1542112436² = 4756221530531708192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1542112399 and 1542112408.

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 3 ways as a sum of consecutive naturals, for example, 606821 + ... + 609356.

It is an arithmetic number, because the mean of its divisors is an integer number (225601019).

Almost surely, 2^1542112436 is an apocalyptic number.

It is an amenable number.

1542112436 is a deficient number, since it is larger than the sum of its proper divisors (1165099792).

1542112436 is a wasteful number, since it uses less digits than its factorization.

1542112436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216498 (or 1216496 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1542112436 is about 39269.7394440045. The cubic root of 1542112436 is about 1155.3281267587.

Adding to 1542112436 its reverse (6342112451), we get a palindrome (7884224887).

The spelling of 1542112436 in words is "one billion, five hundred forty-two million, one hundred twelve thousand, four hundred thirty-six".