542516145 has 16 divisors (see below), whose sum is σ = 868543872. Its totient is φ = 289169280.

The previous prime is 542516129. The next prime is 542516167. The reversal of 542516145 is 541615245.

It is not a de Polignac number, because 542516145 - 2⁴ = 542516129 is a prime.

It is a super-2 number, since 2×542516145² = 588647535171322050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17589 + ... + 37341.

It is an arithmetic number, because the mean of its divisors is an integer number (54283992).

Almost surely, 2^542516145 is an apocalyptic number.

It is an amenable number.

542516145 is a deficient number, since it is larger than the sum of its proper divisors (326027727).

542516145 is a wasteful number, since it uses less digits than its factorization.

542516145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592.

The product of its digits is 24000, while the sum is 33.

The square root of 542516145 is about 23291.9759788645. The cubic root of 542516145 is about 815.5881160344.

The spelling of 542516145 in words is "five hundred forty-two million, five hundred sixteen thousand, one hundred forty-five".