542155 has 8 divisors (see below), whose sum is σ = 673200. Its totient is φ = 418656.

The previous prime is 542153. The next prime is 542167. The reversal of 542155 is 551245.

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

It is a cyclic number.

It is not a de Polignac number, because 542155 - 2¹ = 542153 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (542153) 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, 1725 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2⁵⁴²¹⁵⁵ is an apocalyptic number.

542155 is a deficient number, since it is larger than the sum of its proper divisors (131045).

542155 is a wasteful number, since it uses less digits than its factorization.

542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773.

The product of its digits is 1000, while the sum is 22.

The square root of 542155 is about 736.3117546257. The cubic root of 542155 is about 81.5407100867.

It can be divided in two parts, 5421 and 55, that added together give a square (5476 = 74²).

The spelling of 542155 in words is "five hundred forty-two thousand, one hundred fifty-five".