142667712 has 252 divisors, whose sum is σ = 474299280. Its totient is φ = 40888320.

The previous prime is 142667699. The next prime is 142667743. The reversal of 142667712 is 217766241.

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

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 1602964 + ... + 1603052.

It is an arithmetic number, because the mean of its divisors is an integer number (1882140).

Almost surely, 2^142667712 is an apocalyptic number.

142667712 is a gapful number since it is divisible by the number (12) 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 142667712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237149640).

142667712 is an abundant number, since it is smaller than the sum of its proper divisors (331631568).

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

142667712 is a wasteful number, since it uses less digits than its factorization.

142667712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 128 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 142667712 is about 11944.3590033120. The cubic root of 142667712 is about 522.5267945631.

The spelling of 142667712 in words is "one hundred forty-two million, six hundred sixty-seven thousand, seven hundred twelve".