142358120 has 16 divisors (see below), whose sum is σ = 320305860. Its totient is φ = 56943232.

The previous prime is 142358087. The next prime is 142358123. The reversal of 142358120 is 21853241.

It can be written as a sum of positive squares in 2 ways, for example, as 141752836 + 605284 = 11906^2 + 778^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142358120.

It is not an unprimeable number, because it can be changed into a prime (142358123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779437 + ... + 1779516.

Almost surely, 2^142358120 is an apocalyptic number.

142358120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142358120 is an abundant number, since it is smaller than the sum of its proper divisors (177947740).

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

142358120 is a wasteful number, since it uses less digits than its factorization.

142358120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558964 (or 3558960 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 142358120 is about 11931.3922071148. The cubic root of 142358120 is about 522.1485560459.

The spelling of 142358120 in words is "one hundred forty-two million, three hundred fifty-eight thousand, one hundred twenty".