142622568 has 192 divisors, whose sum is σ = 449579520. Its totient is φ = 40435200.

The previous prime is 142622527. The next prime is 142622573. The reversal of 142622568 is 865226241.

It is a happy number.

142622568 is a `hidden beast` number, since 1 + 426 + 225 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 908346 + ... + 908502.

It is an arithmetic number, because the mean of its divisors is an integer number (2341560).

Almost surely, 2^142622568 is an apocalyptic number.

142622568 is a gapful number since it is divisible by the number (18) 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 142622568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224789760).

142622568 is an abundant number, since it is smaller than the sum of its proper divisors (306956952).

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

142622568 is a wasteful number, since it uses less digits than its factorization.

142622568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 241 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 142622568 is about 11942.4690914400. The cubic root of 142622568 is about 522.4716747845.

The spelling of 142622568 in words is "one hundred forty-two million, six hundred twenty-two thousand, five hundred sixty-eight".