142411533520 has 20 divisors (see below), whose sum is σ = 331106815620. Its totient is φ = 56964613376.

The previous prime is 142411533503. The next prime is 142411533521. The reversal of 142411533520 is 25335114241.

It can be written as a sum of positive squares in 2 ways, for example, as 92898163264 + 49513370256 = 304792^2 + 222516^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142411533521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890072005 + ... + 890072164.

It is an arithmetic number, because the mean of its divisors is an integer number (16555340781).

Almost surely, 2^142411533520 is an apocalyptic number.

142411533520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142411533520 is an abundant number, since it is smaller than the sum of its proper divisors (188695282100).

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

142411533520 is a wasteful number, since it uses less digits than its factorization.

142411533520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780144182 (or 1780144176 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 142411533520 its reverse (25335114241), we get a palindrome (167746647761).

The spelling of 142411533520 in words is "one hundred forty-two billion, four hundred eleven million, five hundred thirty-three thousand, five hundred twenty".