142001234 has 8 divisors (see below), whose sum is σ = 213266928. Its totient is φ = 70912260.

The previous prime is 142001213. The next prime is 142001239. The reversal of 142001234 is 432100241.

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

It is a super-3 number, since 3×142001234³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142001239) 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, 42152 + ... + 45395.

It is an arithmetic number, because the mean of its divisors is an integer number (26658366).

Almost surely, 2^142001234 is an apocalyptic number.

142001234 is a deficient number, since it is larger than the sum of its proper divisors (71265694).

142001234 is an equidigital number, since it uses as much as digits as its factorization.

142001234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88360.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142001234 is about 11916.4270651903. The cubic root of 142001234 is about 521.7118558687.

Adding to 142001234 its reverse (432100241), we get a palindrome (574101475).

The spelling of 142001234 in words is "one hundred forty-two million, one thousand, two hundred thirty-four".