142326720 has 420 divisors, whose sum is σ = 566120280. Its totient is φ = 33841152.

The previous prime is 142326719. The next prime is 142326727. The reversal of 142326720 is 27623241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142326727) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7490871 + ... + 7490889.

Almost surely, 2^142326720 is an apocalyptic number.

142326720 is a gapful number since it is divisible by the number (10) 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 142326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283060140).

142326720 is an abundant number, since it is smaller than the sum of its proper divisors (423793560).

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

142326720 is a wasteful number, since it uses less digits than its factorization.

142326720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 142326720 is about 11930.0762780462. The cubic root of 142326720 is about 522.1101630357.

Adding to 142326720 its reverse (27623241), we get a palindrome (169949961).

The spelling of 142326720 in words is "one hundred forty-two million, three hundred twenty-six thousand, seven hundred twenty".