142214042 has 4 divisors (see below), whose sum is σ = 213321066. Its totient is φ = 71107020.

The previous prime is 142214041. The next prime is 142214063. The reversal of 142214042 is 240412241.

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., 97042201 + 45171841 = 9851^2 + 6721^2 .

It is not an unprimeable number, because it can be changed into a prime (142214041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35553509 + ... + 35553512.

Almost surely, 2^142214042 is an apocalyptic number.

142214042 is a deficient number, since it is larger than the sum of its proper divisors (71107024).

142214042 is an equidigital number, since it uses as much as digits as its factorization.

142214042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71107023.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142214042 is about 11925.3529088241. The cubic root of 142214042 is about 521.9723443117.

Adding to 142214042 its reverse (240412241), we get a palindrome (382626283).

The spelling of 142214042 in words is "one hundred forty-two million, two hundred fourteen thousand, forty-two".