542330146 has 4 divisors (see below), whose sum is σ = 813495222. Its totient is φ = 271165072.

The previous prime is 542330137. The next prime is 542330149. The reversal of 542330146 is 641033245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 540795025 + 1535121 = 23255^2 + 1239^2 .

It is not an unprimeable number, because it can be changed into a prime (542330149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135582535 + ... + 135582538.

Almost surely, 2^542330146 is an apocalyptic number.

542330146 is a deficient number, since it is larger than the sum of its proper divisors (271165076).

542330146 is a wasteful number, since it uses less digits than its factorization.

542330146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271165075.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 542330146 is about 23287.9828667062. The cubic root of 542330146 is about 815.4948985851.

The spelling of 542330146 in words is "five hundred forty-two million, three hundred thirty thousand, one hundred forty-six".