542156975 has 6 divisors (see below), whose sum is σ = 672274680. Its totient is φ = 433725560.

The previous prime is 542156971. The next prime is 542156977. The reversal of 542156975 is 579651245.

It is a happy number.

It is not a de Polignac number, because 542156975 - 2² = 542156971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542156971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10843115 + ... + 10843164.

It is an arithmetic number, because the mean of its divisors is an integer number (112045780).

Almost surely, 2^542156975 is an apocalyptic number.

542156975 is a deficient number, since it is larger than the sum of its proper divisors (130117705).

542156975 is a wasteful number, since it uses less digits than its factorization.

542156975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686289 (or 21686284 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 542156975 is about 23284.2645363774. The cubic root of 542156975 is about 815.4080910063.

The spelling of 542156975 in words is "five hundred forty-two million, one hundred fifty-six thousand, nine hundred seventy-five".