1022146142 has 8 divisors (see below), whose sum is σ = 1541163936. Its totient is φ = 508424832.

The previous prime is 1022146141. The next prime is 1022146183. The reversal of 1022146142 is 2416412201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022146141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323638 + ... + 1324409.

It is an arithmetic number, because the mean of its divisors is an integer number (192645492).

Almost surely, 2^1022146142 is an apocalyptic number.

1022146142 is a deficient number, since it is larger than the sum of its proper divisors (519017794).

1022146142 is a wasteful number, since it uses less digits than its factorization.

1022146142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648242.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1022146142 is about 31971.0203465576. The cubic root of 1022146142 is about 1007.3282134395.

Adding to 1022146142 its reverse (2416412201), we get a palindrome (3438558343).

The spelling of 1022146142 in words is "one billion, twenty-two million, one hundred forty-six thousand, one hundred forty-two".