542143369 has 16 divisors (see below), whose sum is σ = 563580864. Its totient is φ = 521164800.

The previous prime is 542143367. The next prime is 542143439. The reversal of 542143369 is 963341245.

It is a cyclic number.

It is not a de Polignac number, because 542143369 - 2¹ = 542143367 is a prime.

It is a super-2 number, since 2×542143369² = 587838865101340322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542143361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036342 + ... + 1036864.

It is an arithmetic number, because the mean of its divisors is an integer number (35223804).

Almost surely, 2^542143369 is an apocalyptic number.

It is an amenable number.

542143369 is a deficient number, since it is larger than the sum of its proper divisors (21437495).

542143369 is a wasteful number, since it uses less digits than its factorization.

542143369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its digits is 77760, while the sum is 37.

The square root of 542143369 is about 23283.9723629796. The cubic root of 542143369 is about 815.4012697744.

The spelling of 542143369 in words is "five hundred forty-two million, one hundred forty-three thousand, three hundred sixty-nine".