542431662213145 has 32 divisors (see below), whose sum is σ = 681758388486144. Its totient is φ = 413526306283200.

The previous prime is 542431662213079. The next prime is 542431662213169. The reversal of 542431662213145 is 541312266134245.

It is a happy number.

It is not a de Polignac number, because 542431662213145 - 2¹⁵ = 542431662180377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654393624 + ... + 655222006.

It is an arithmetic number, because the mean of its divisors is an integer number (21304949640192).

Almost surely, 2^{542431662213145} is an apocalyptic number.

It is an amenable number.

542431662213145 is a deficient number, since it is larger than the sum of its proper divisors (139326726272999).

542431662213145 is a wasteful number, since it uses less digits than its factorization.

542431662213145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849693.

The product of its digits is 4147200, while the sum is 49.

The spelling of 542431662213145 in words is "five hundred forty-two trillion, four hundred thirty-one billion, six hundred sixty-two million, two hundred thirteen thousand, one hundred forty-five".