542042241456545 has 8 divisors (see below), whose sum is σ = 650450816810880. Its totient is φ = 433633708456560.

The previous prime is 542042241456497. The next prime is 542042241456619. The reversal of 542042241456545 is 545654142240245.

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

It is not a de Polignac number, because 542042241456545 - 2²² = 542042237262241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37055336 + ... + 49569974.

It is an arithmetic number, because the mean of its divisors is an integer number (81306352101360).

Almost surely, 2^{542042241456545} is an apocalyptic number.

It is an amenable number.

542042241456545 is a deficient number, since it is larger than the sum of its proper divisors (108408575354335).

542042241456545 is a wasteful number, since it uses less digits than its factorization.

542042241456545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177175.

The product of its (nonzero) digits is 30720000, while the sum is 53.

The spelling of 542042241456545 in words is "five hundred forty-two trillion, forty-two billion, two hundred forty-one million, four hundred fifty-six thousand, five hundred forty-five".