142401345020 has 72 divisors (see below), whose sum is σ = 329102050032. Its totient is φ = 51718965760.

The previous prime is 142401345011. The next prime is 142401345089. The reversal of 142401345020 is 20543104241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1965764 + ... + 2036916.

It is an arithmetic number, because the mean of its divisors is an integer number (4570861806).

Almost surely, 2^142401345020 is an apocalyptic number.

142401345020 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 142401345020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164551025016).

142401345020 is an abundant number, since it is smaller than the sum of its proper divisors (186700705012).

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

142401345020 is a wasteful number, since it uses less digits than its factorization.

142401345020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72011 (or 71998 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 142401345020 its reverse (20543104241), we get a palindrome (162944449261).

The spelling of 142401345020 in words is "one hundred forty-two billion, four hundred one million, three hundred forty-five thousand, twenty".