542031145 has 32 divisors (see below), whose sum is σ = 732343680. Its totient is φ = 382694400.

The previous prime is 542031121. The next prime is 542031163. The reversal of 542031145 is 541130245.

It is a happy number.

It is not a de Polignac number, because 542031145 - 2⁹ = 542030633 is a prime.

It is a super-2 number, since 2×542031145² = 587595524300022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161454 + ... + 164776.

It is an arithmetic number, because the mean of its divisors is an integer number (22885740).

Almost surely, 2^542031145 is an apocalyptic number.

It is an amenable number.

542031145 is a deficient number, since it is larger than the sum of its proper divisors (190312535).

542031145 is a wasteful number, since it uses less digits than its factorization.

542031145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 542031145 is about 23281.5623401867. The cubic root of 542031145 is about 815.3450030425.

The spelling of 542031145 in words is "five hundred forty-two million, thirty-one thousand, one hundred forty-five".