142556119 has 4 divisors (see below), whose sum is σ = 142653096. Its totient is φ = 142459144.

The previous prime is 142556087. The next prime is 142556129. The reversal of 142556119 is 911655241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142556119 - 2⁵ = 142556087 is a prime.

It is a super-2 number, since 2×142556119² = 40644494128684322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142556129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46249 + ... + 49234.

It is an arithmetic number, because the mean of its divisors is an integer number (35663274).

Almost surely, 2^142556119 is an apocalyptic number.

142556119 is a deficient number, since it is larger than the sum of its proper divisors (96977).

142556119 is an equidigital number, since it uses as much as digits as its factorization.

142556119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96976.

The product of its digits is 10800, while the sum is 34.

The square root of 142556119 is about 11939.6867211833. The cubic root of 142556119 is about 522.3905209298.

The spelling of 142556119 in words is "one hundred forty-two million, five hundred fifty-six thousand, one hundred nineteen".