542000145 has 16 divisors (see below), whose sum is σ = 867981312. Its totient is φ = 288806400.

The previous prime is 542000143. The next prime is 542000149. The reversal of 542000145 is 541000245.

It is not a de Polignac number, because 542000145 - 2¹ = 542000143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542000143) 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, 1569 + ... + 32961.

It is an arithmetic number, because the mean of its divisors is an integer number (54248832).

Almost surely, 2^542000145 is an apocalyptic number.

It is an amenable number.

542000145 is a deficient number, since it is larger than the sum of its proper divisors (325981167).

542000145 is a wasteful number, since it uses less digits than its factorization.

542000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32552.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 542000145 is about 23280.8965677871. The cubic root of 542000145 is about 815.3294589314.

The spelling of 542000145 in words is "five hundred forty-two million, one hundred forty-five", and thus it is an aban number.