142501312 has 56 divisors (see below), whose sum is σ = 295113456. Its totient is φ = 68210688.

The previous prime is 142501301. The next prime is 142501339. The reversal of 142501312 is 213105241.

It is a self number, because there is not a number n which added to its sum of digits gives 142501312.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 145368 + ... + 146344.

Almost surely, 2^142501312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147556728).

142501312 is an abundant number, since it is smaller than the sum of its proper divisors (152612144).

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

142501312 is an equidigital number, since it uses as much as digits as its factorization.

142501312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 142501312 is about 11937.3913398196. The cubic root of 142501312 is about 522.3235664154.

Adding to 142501312 its reverse (213105241), we get a palindrome (355606553).

The spelling of 142501312 in words is "one hundred forty-two million, five hundred one thousand, three hundred twelve".