542745518 has 16 divisors (see below), whose sum is σ = 939635424. Its totient is φ = 230301600.

The previous prime is 542745517. The next prime is 542745557. The reversal of 542745518 is 815547245.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542745517) 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, 190505 + ... + 193332.

It is an arithmetic number, because the mean of its divisors is an integer number (58727214).

Almost surely, 2^542745518 is an apocalyptic number.

542745518 is a deficient number, since it is larger than the sum of its proper divisors (396889906).

542745518 is a wasteful number, since it uses less digits than its factorization.

542745518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383947.

The product of its digits is 224000, while the sum is 41.

The square root of 542745518 is about 23296.8993215835. The cubic root of 542745518 is about 815.7030419748.

The spelling of 542745518 in words is "five hundred forty-two million, seven hundred forty-five thousand, five hundred eighteen".