142260720 has 120 divisors (see below), whose sum is σ = 513051984. Its totient is φ = 32514048.

The previous prime is 142260719. The next prime is 142260731. The reversal of 142260720 is 27062241.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×142260720² = 40476224909836800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5712 + ... + 17808.

Almost surely, 2^142260720 is an apocalyptic number.

142260720 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 142260720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256525992).

142260720 is an abundant number, since it is smaller than the sum of its proper divisors (370791264).

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

142260720 is a wasteful number, since it uses less digits than its factorization.

142260720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127 (or 12114 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142260720 is about 11927.3098391884. The cubic root of 142260720 is about 522.0294459395.

The spelling of 142260720 in words is "one hundred forty-two million, two hundred sixty thousand, seven hundred twenty".