142531726344 has 128 divisors (see below), whose sum is σ = 420934164480. Its totient is φ = 39356812800.

The previous prime is 142531726339. The next prime is 142531726361. The reversal of 142531726344 is 443627135241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 142531726296 and 142531726305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3945307 + ... + 3981269.

It is an arithmetic number, because the mean of its divisors is an integer number (3288548160).

Almost surely, 2^142531726344 is an apocalyptic number.

142531726344 is a gapful number since it is divisible by the number (14) 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 142531726344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210467082240).

142531726344 is an abundant number, since it is smaller than the sum of its proper divisors (278402438136).

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

142531726344 is a wasteful number, since it uses less digits than its factorization.

142531726344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36771 (or 36767 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The spelling of 142531726344 in words is "one hundred forty-two billion, five hundred thirty-one million, seven hundred twenty-six thousand, three hundred forty-four".