142008720 has 160 divisors (see below), whose sum is σ = 507610368. Its totient is φ = 32169984.

The previous prime is 142008719. The next prime is 142008721. The reversal of 142008720 is 27800241.

It is an interprime number because it is at equal distance from previous prime (142008719) and next prime (142008721).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (142008721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229852 + ... + 230468.

Almost surely, 2^142008720 is an apocalyptic number.

142008720 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 142008720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253805184).

142008720 is an abundant number, since it is smaller than the sum of its proper divisors (365601648).

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

142008720 is a wasteful number, since it uses less digits than its factorization.

142008720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 142008720 is about 11916.7411652683. The cubic root of 142008720 is about 521.7210235504.

Adding to 142008720 its reverse (27800241), we get a palindrome (169808961).

The spelling of 142008720 in words is "one hundred forty-two million, eight thousand, seven hundred twenty".