142720080 has 40 divisors (see below), whose sum is σ = 442432992. Its totient is φ = 38058624.

The previous prime is 142720079. The next prime is 142720093. The reversal of 142720080 is 80027241.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a self number, because there is not a number n which added to its sum of digits gives 142720080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297094 + ... + 297573.

Almost surely, 2^142720080 is an apocalyptic number.

142720080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142720080 is an abundant number, since it is smaller than the sum of its proper divisors (299712912).

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

142720080 is a wasteful number, since it uses less digits than its factorization.

142720080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594683 (or 594677 counting only the distinct ones).

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

The square root of 142720080 is about 11946.5509667016. The cubic root of 142720080 is about 522.5907201130.

The spelling of 142720080 in words is "one hundred forty-two million, seven hundred twenty thousand, eighty".