542643154 has 16 divisors (see below), whose sum is σ = 861602400. Its totient is φ = 255602304.

The previous prime is 542643149. The next prime is 542643169. The reversal of 542643154 is 451346245.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33087 + ... + 46690.

It is an arithmetic number, because the mean of its divisors is an integer number (53850150).

Almost surely, 2^542643154 is an apocalyptic number.

542643154 is a deficient number, since it is larger than the sum of its proper divisors (318959246).

542643154 is a wasteful number, since it uses less digits than its factorization.

542643154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79977.

The product of its digits is 57600, while the sum is 34.

The square root of 542643154 is about 23294.7022732638. The cubic root of 542643154 is about 815.6517571195.

Adding to 542643154 its reverse (451346245), we get a palindrome (993989399).

The spelling of 542643154 in words is "five hundred forty-two million, six hundred forty-three thousand, one hundred fifty-four".