1542438854 has 16 divisors (see below), whose sum is σ = 2528212176. Its totient is φ = 699936000.

The previous prime is 1542438847. The next prime is 1542438899. The reversal of 1542438854 is 4588342451.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45107 + ... + 71550.

It is an arithmetic number, because the mean of its divisors is an integer number (158013261).

Almost surely, 2^1542438854 is an apocalyptic number.

1542438854 is a deficient number, since it is larger than the sum of its proper divisors (985773322).

1542438854 is a wasteful number, since it uses less digits than its factorization.

1542438854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117271.

The product of its digits is 614400, while the sum is 44.

The square root of 1542438854 is about 39273.8953250120. The cubic root of 1542438854 is about 1155.4096368749.

The spelling of 1542438854 in words is "one billion, five hundred forty-two million, four hundred thirty-eight thousand, eight hundred fifty-four".