142047022 has 16 divisors (see below), whose sum is σ = 236863872. Its totient is φ = 63444960.

The previous prime is 142046999. The next prime is 142047029. The reversal of 142047022 is 220740241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142046984 and 142047002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142047029) 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 7 ways as a sum of consecutive naturals, for example, 87313 + ... + 88924.

It is an arithmetic number, because the mean of its divisors is an integer number (14803992).

Almost surely, 2^142047022 is an apocalyptic number.

142047022 is a deficient number, since it is larger than the sum of its proper divisors (94816850).

142047022 is a wasteful number, since it uses less digits than its factorization.

142047022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176283.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 142047022 is about 11918.3481237964. The cubic root of 142047022 is about 521.7679248072.

Adding to 142047022 its reverse (220740241), we get a palindrome (362787263).

The spelling of 142047022 in words is "one hundred forty-two million, forty-seven thousand, twenty-two".