142720608 has 48 divisors (see below), whose sum is σ = 376197696. Its totient is φ = 47376000.

The previous prime is 142720607. The next prime is 142720651. The reversal of 142720608 is 806027241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142720601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21135 + ... + 27057.

It is an arithmetic number, because the mean of its divisors is an integer number (7837452).

Almost surely, 2^142720608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142720608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188098848).

142720608 is an abundant number, since it is smaller than the sum of its proper divisors (233477088).

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

142720608 is a wasteful number, since it uses less digits than its factorization.

142720608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 142720608 is about 11946.5730651095. The cubic root of 142720608 is about 522.5913645622.

Adding to 142720608 its reverse (806027241), we get a palindrome (948747849).

The spelling of 142720608 in words is "one hundred forty-two million, seven hundred twenty thousand, six hundred eight".