542043643145 has 16 divisors (see below), whose sum is σ = 693669070080. Its totient is φ = 405190804224.

The previous prime is 542043643123. The next prime is 542043643147. The reversal of 542043643145 is 541346340245.

It is a cyclic number.

It is not a de Polignac number, because 542043643145 - 2¹⁶ = 542043577609 is a prime.

It is a super-2 number, since 2×542043643145² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (542043643147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22926977 + ... + 22950606.

It is an arithmetic number, because the mean of its divisors is an integer number (43354316880).

Almost surely, 2^542043643145 is an apocalyptic number.

It is an amenable number.

542043643145 is a deficient number, since it is larger than the sum of its proper divisors (151625426935).

542043643145 is a wasteful number, since it uses less digits than its factorization.

542043643145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45877744.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 542043643145 in words is "five hundred forty-two billion, forty-three million, six hundred forty-three thousand, one hundred forty-five".