142000331 has 8 divisors (see below), whose sum is σ = 155123184. Its totient is φ = 128913120.

The previous prime is 142000307. The next prime is 142000349. The reversal of 142000331 is 133000241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142000331 - 2¹⁰ = 141999307 is a prime.

It is a super-2 number, since 2×142000331² = 40328188008219122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142000631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (19390398).

Almost surely, 2^142000331 is an apocalyptic number.

142000331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142000331 is a deficient number, since it is larger than the sum of its proper divisors (13122853).

142000331 is a wasteful number, since it uses less digits than its factorization.

142000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 142000331 is about 11916.3891762564. The cubic root of 142000331 is about 521.7107499938.

Adding to 142000331 its reverse (133000241), we get a palindrome (275000572).

The spelling of 142000331 in words is "one hundred forty-two million, three hundred thirty-one", and thus it is an aban number.