542245161 has 16 divisors (see below), whose sum is σ = 787291200. Its totient is φ = 330660288.

The previous prime is 542245147. The next prime is 542245201. The reversal of 542245161 is 161542245.

It is not a de Polignac number, because 542245161 - 2⁵ = 542245129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542245111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162366 + ... + 165671.

It is an arithmetic number, because the mean of its divisors is an integer number (49205700).

Almost surely, 2^542245161 is an apocalyptic number.

It is an amenable number.

542245161 is a deficient number, since it is larger than the sum of its proper divisors (245046039).

542245161 is a wasteful number, since it uses less digits than its factorization.

542245161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328088.

The product of its digits is 9600, while the sum is 30.

The square root of 542245161 is about 23286.1581416944. The cubic root of 542245161 is about 815.4522994077.

The spelling of 542245161 in words is "five hundred forty-two million, two hundred forty-five thousand, one hundred sixty-one".