142022052 has 24 divisors (see below), whose sum is σ = 368205600. Its totient is φ = 47340648.

The previous prime is 142022051. The next prime is 142022053. The reversal of 142022052 is 250220241.

It is an interprime number because it is at equal distance from previous prime (142022051) and next prime (142022053).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (142022051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657402 + ... + 657617.

It is an arithmetic number, because the mean of its divisors is an integer number (15341900).

Almost surely, 2^142022052 is an apocalyptic number.

142022052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142022052 is an abundant number, since it is smaller than the sum of its proper divisors (226183548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142022052 is a wasteful number, since it uses less digits than its factorization.

142022052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315032 (or 1315024 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 142022052 is about 11917.3005332584. The cubic root of 142022052 is about 521.7373497004.

Adding to 142022052 its reverse (250220241), we get a palindrome (392242293).

The spelling of 142022052 in words is "one hundred forty-two million, twenty-two thousand, fifty-two".