542145293 has 8 divisors (see below), whose sum is σ = 551976768. Its totient is φ = 532392544.

The previous prime is 542145281. The next prime is 542145301. The reversal of 542145293 is 392541245.

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

It is not a de Polignac number, because 542145293 - 2¹⁰ = 542144269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542145193) 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, 5696 + ... + 33417.

It is an arithmetic number, because the mean of its divisors is an integer number (68997096).

Almost surely, 2^542145293 is an apocalyptic number.

It is an amenable number.

542145293 is a deficient number, since it is larger than the sum of its proper divisors (9831475).

542145293 is a wasteful number, since it uses less digits than its factorization.

542145293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39363.

The product of its digits is 43200, while the sum is 35.

The square root of 542145293 is about 23284.0136789171. The cubic root of 542145293 is about 815.4022343595.

The spelling of 542145293 in words is "five hundred forty-two million, one hundred forty-five thousand, two hundred ninety-three".