142126144 has 28 divisors (see below), whose sum is σ = 282444444. Its totient is φ = 70959104.

The previous prime is 142126141. The next prime is 142126169. The reversal of 142126144 is 441621241.

It can be written as a sum of positive squares in 2 ways, for example, as 129960000 + 12166144 = 11400^2 + 3488^2 .

It is not an unprimeable number, because it can be changed into a prime (142126141) 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, 61392 + ... + 63664.

Almost surely, 2^142126144 is an apocalyptic number.

It is an amenable number.

142126144 is a deficient number, since it is larger than the sum of its proper divisors (140318300).

142126144 is an equidigital number, since it uses as much as digits as its factorization.

142126144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3252 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 142126144 is about 11921.6669975302. Note that the first 3 decimals coincide. The cubic root of 142126144 is about 521.8647839515.

Adding to 142126144 its reverse (441621241), we get a palindrome (583747385).

The spelling of 142126144 in words is "one hundred forty-two million, one hundred twenty-six thousand, one hundred forty-four".