142402326 has 32 divisors (see below), whose sum is σ = 317927808. Its totient is φ = 42147840.

The previous prime is 142402301. The next prime is 142402327. The reversal of 142402326 is 623204241.

142402326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142402296 and 142402305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22251 + ... + 27926.

It is an arithmetic number, because the mean of its divisors is an integer number (9935244).

Almost surely, 2^142402326 is an apocalyptic number.

142402326 is an abundant number, since it is smaller than the sum of its proper divisors (175525482).

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

142402326 is a wasteful number, since it uses less digits than its factorization.

142402326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50236.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 142402326 is about 11933.2445713645. The cubic root of 142402326 is about 522.2025974786.

Adding to 142402326 its reverse (623204241), we get a palindrome (765606567).

The spelling of 142402326 in words is "one hundred forty-two million, four hundred two thousand, three hundred twenty-six".