142007234 has 4 divisors (see below), whose sum is σ = 213010854. Its totient is φ = 71003616.

The previous prime is 142007227. The next prime is 142007269. The reversal of 142007234 is 432700241.

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., 133287025 + 8720209 = 11545^2 + 2953^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35501807 + ... + 35501810.

Almost surely, 2^142007234 is an apocalyptic number.

142007234 is a deficient number, since it is larger than the sum of its proper divisors (71003620).

142007234 is an equidigital number, since it uses as much as digits as its factorization.

142007234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71003619.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 142007234 is about 11916.6788158446. The cubic root of 142007234 is about 521.7192037557.

Adding to 142007234 its reverse (432700241), we get a palindrome (574707475).

It can be divided in two parts, 142007 and 234, that added together give a palindrome (142241).

The spelling of 142007234 in words is "one hundred forty-two million, seven thousand, two hundred thirty-four".