142011040 has 24 divisors (see below), whose sum is σ = 335501460. Its totient is φ = 56804352.

The previous prime is 142011011. The next prime is 142011043. The reversal of 142011040 is 40110241.

142011040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132987024 + 9024016 = 11532^2 + 3004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142011040.

It is not an unprimeable number, because it can be changed into a prime (142011043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 443625 + ... + 443944.

Almost surely, 2^142011040 is an apocalyptic number.

142011040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142011040 is an abundant number, since it is smaller than the sum of its proper divisors (193490420).

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

142011040 is an equidigital number, since it uses as much as digits as its factorization.

142011040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887584 (or 887576 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 142011040 is about 11916.8385069195. The cubic root of 142011040 is about 521.7238646580.

Adding to 142011040 its reverse (40110241), we get a palindrome (182121281).

The spelling of 142011040 in words is "one hundred forty-two million, eleven thousand, forty".