142058840 has 144 divisors (see below), whose sum is σ = 409374000. Its totient is φ = 44204160.

The previous prime is 142058831. The next prime is 142058869. The reversal of 142058840 is 48850241.

It is a happy number.

142058840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142058797 and 142058806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 236861 + ... + 237459.

It is an arithmetic number, because the mean of its divisors is an integer number (2842875).

Almost surely, 2^142058840 is an apocalyptic number.

142058840 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 142058840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204687000).

142058840 is an abundant number, since it is smaller than the sum of its proper divisors (267315160).

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

142058840 is a wasteful number, since it uses less digits than its factorization.

142058840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 142058840 is about 11918.8439036678. The cubic root of 142058840 is about 521.7823943874.

The spelling of 142058840 in words is "one hundred forty-two million, fifty-eight thousand, eight hundred forty".