542615155 has 8 divisors (see below), whose sum is σ = 652764384. Its totient is φ = 433008000.

The previous prime is 542615137. The next prime is 542615159. The reversal of 542615155 is 551516245.

542615155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 542615155 - 2⁵ = 542615123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542615155.

It is not an unprimeable number, because it can be changed into a prime (542615159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133311 + ... + 137320.

It is an arithmetic number, because the mean of its divisors is an integer number (81595548).

Almost surely, 2^542615155 is an apocalyptic number.

542615155 is a deficient number, since it is larger than the sum of its proper divisors (110149229).

542615155 is a wasteful number, since it uses less digits than its factorization.

542615155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271037.

The product of its digits is 30000, while the sum is 34.

The square root of 542615155 is about 23294.1012919580. The cubic root of 542615155 is about 815.6377283628.

The spelling of 542615155 in words is "five hundred forty-two million, six hundred fifteen thousand, one hundred fifty-five".