542145755 has 4 divisors (see below), whose sum is σ = 650574912. Its totient is φ = 433716600.

The previous prime is 542145743. The next prime is 542145757. The reversal of 542145755 is 557541245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557541245 = 5 ⋅111508249.

It is not a de Polignac number, because 542145755 - 2²⁸ = 273710299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542145757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54214571 + ... + 54214580.

It is an arithmetic number, because the mean of its divisors is an integer number (162643728).

Almost surely, 2^542145755 is an apocalyptic number.

542145755 is a deficient number, since it is larger than the sum of its proper divisors (108429157).

542145755 is a wasteful number, since it uses less digits than its factorization.

542145755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108429156.

The product of its digits is 140000, while the sum is 38.

The square root of 542145755 is about 23284.0235998850. The cubic root of 542145755 is about 815.4024659799.

The spelling of 542145755 in words is "five hundred forty-two million, one hundred forty-five thousand, seven hundred fifty-five".