142126523 has 16 divisors (see below), whose sum is σ = 180107520. Its totient is φ = 108928800.

The previous prime is 142126513. The next prime is 142126529. The reversal of 142126523 is 325621241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142126523 - 2¹⁶ = 142060987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142126492 and 142126501.

It is not an unprimeable number, because it can be changed into a prime (142126529) 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, 10433 + ... + 19826.

It is an arithmetic number, because the mean of its divisors is an integer number (11256720).

Almost surely, 2^142126523 is an apocalyptic number.

142126523 is a deficient number, since it is larger than the sum of its proper divisors (37980997).

142126523 is a wasteful number, since it uses less digits than its factorization.

142126523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30338.

The product of its digits is 2880, while the sum is 26.

The square root of 142126523 is about 11921.6828929476. The cubic root of 142126523 is about 521.8652478271.

Adding to 142126523 its reverse (325621241), we get a palindrome (467747764).

The spelling of 142126523 in words is "one hundred forty-two million, one hundred twenty-six thousand, five hundred twenty-three".