542043641545 has 8 divisors (see below), whose sum is σ = 743374137024. Its totient is φ = 371687068464.

The previous prime is 542043641519. The next prime is 542043641593. The reversal of 542043641545 is 545146340245.

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

It is a cyclic number.

It is not a de Polignac number, because 542043641545 - 2²³ = 542035252937 is a prime.

It is a super-2 number, since 2×542043641545² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

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, 7743480559 + ... + 7743480628.

It is an arithmetic number, because the mean of its divisors is an integer number (92921767128).

Almost surely, 2^542043641545 is an apocalyptic number.

It is an amenable number.

542043641545 is a deficient number, since it is larger than the sum of its proper divisors (201330495479).

542043641545 is a wasteful number, since it uses less digits than its factorization.

542043641545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15486961199.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 542043641545 in words is "five hundred forty-two billion, forty-three million, six hundred forty-one thousand, five hundred forty-five".