142232244 has 96 divisors (see below), whose sum is σ = 420940800. Its totient is φ = 36303360.

The previous prime is 142232221. The next prime is 142232317. The reversal of 142232244 is 442232241.

It is a super-2 number, since 2×142232244² = 40460022466551072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 53212 + ... + 55820.

It is an arithmetic number, because the mean of its divisors is an integer number (4384800).

Almost surely, 2^142232244 is an apocalyptic number.

142232244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142232244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210470400).

142232244 is an abundant number, since it is smaller than the sum of its proper divisors (278708556).

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

142232244 is a wasteful number, since it uses less digits than its factorization.

142232244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2691 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 142232244 is about 11926.1160484040. The cubic root of 142232244 is about 521.9946124721.

Adding to 142232244 its reverse (442232241), we get a palindrome (584464485).

The spelling of 142232244 in words is "one hundred forty-two million, two hundred thirty-two thousand, two hundred forty-four".