1542110442 has 8 divisors (see below), whose sum is σ = 3084220896. Its totient is φ = 514036812.

The previous prime is 1542110441. The next prime is 1542110533. The reversal of 1542110442 is 2440112451.

It is a sphenic number, since it is the product of 3 distinct primes.

1542110442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1542110441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128509198 + ... + 128509209.

It is an arithmetic number, because the mean of its divisors is an integer number (385527612).

Almost surely, 2^1542110442 is an apocalyptic number.

1542110442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1542110442 is a wasteful number, since it uses less digits than its factorization.

1542110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257018412.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1542110442 is about 39269.7140554907. The cubic root of 1542110442 is about 1155.3276287999.

Adding to 1542110442 its reverse (2440112451), we get a palindrome (3982222893).

The spelling of 1542110442 in words is "one billion, five hundred forty-two million, one hundred ten thousand, four hundred forty-two".