142210034 has 8 divisors (see below), whose sum is σ = 213401820. Its totient is φ = 71076096.

The previous prime is 142210009. The next prime is 142210039. The reversal of 142210034 is 430012241.

It can be written as a sum of positive squares in 2 ways, for example, as 132319009 + 9891025 = 11503^2 + 3145^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142209994 and 142210021.

It is not an unprimeable number, because it can be changed into a prime (142210039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7679 + ... + 18530.

Almost surely, 2^142210034 is an apocalyptic number.

142210034 is a deficient number, since it is larger than the sum of its proper divisors (71191786).

142210034 is a wasteful number, since it uses less digits than its factorization.

142210034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28924.

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

The square root of 142210034 is about 11925.1848622988. The cubic root of 142210034 is about 521.9674407059.

Adding to 142210034 its reverse (430012241), we get a palindrome (572222275).

The spelling of 142210034 in words is "one hundred forty-two million, two hundred ten thousand, thirty-four".