1542736045242 has 64 divisors (see below), whose sum is σ = 3918257049600. Its totient is φ = 440759536560.

The previous prime is 1542736045231. The next prime is 1542736045247. The reversal of 1542736045242 is 2425406372451.

1542736045242 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 7 + 360 + 45 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (1542736045247) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8329867 + ... + 8513057.

It is an arithmetic number, because the mean of its divisors is an integer number (61222766400).

Almost surely, 2^{1542736045242} is an apocalyptic number.

1542736045242 is an abundant number, since it is smaller than the sum of its proper divisors (2375521004358).

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

1542736045242 is a wasteful number, since it uses less digits than its factorization.

1542736045242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205488 (or 205482 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 1542736045242 in words is "one trillion, five hundred forty-two billion, seven hundred thirty-six million, forty-five thousand, two hundred forty-two".