142053229 has 4 divisors (see below), whose sum is σ = 142124476. Its totient is φ = 141981984.

The previous prime is 142053203. The next prime is 142053239. The reversal of 142053229 is 922350241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88397604 + 53655625 = 9402^2 + 7325^2 .

It is a cyclic number.

It is not a de Polignac number, because 142053229 - 2¹⁹ = 141528941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142053197 and 142053206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142053239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32544 + ... + 36649.

It is an arithmetic number, because the mean of its divisors is an integer number (35531119).

Almost surely, 2^142053229 is an apocalyptic number.

It is an amenable number.

142053229 is a deficient number, since it is larger than the sum of its proper divisors (71247).

142053229 is an equidigital number, since it uses as much as digits as its factorization.

142053229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71246.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 142053229 is about 11918.6085177759. The cubic root of 142053229 is about 521.7755245590.

The spelling of 142053229 in words is "one hundred forty-two million, fifty-three thousand, two hundred twenty-nine".