142489101312 has 132 divisors (see below), whose sum is σ = 411649284540. Its totient is φ = 47471542272.

The previous prime is 142489101301. The next prime is 142489101317. The reversal of 142489101312 is 213101984241.

142489101312 is a `hidden beast` number, since 1 + 42 + 489 + 1 + 0 + 131 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57094235136 + 85394866176 = 238944^2 + 292224^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142489101317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28650058 + ... + 28655030.

Almost surely, 2^142489101312 is an apocalyptic number.

142489101312 is a gapful number since it is divisible by the number (12) 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 142489101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205824642270).

142489101312 is an abundant number, since it is smaller than the sum of its proper divisors (269160183228).

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

142489101312 is a wasteful number, since it uses less digits than its factorization.

142489101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 8087 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 142489101312 in words is "one hundred forty-two billion, four hundred eighty-nine million, one hundred one thousand, three hundred twelve".