142830153 has 6 divisors (see below), whose sum is σ = 206310234. Its totient is φ = 95220096.

The previous prime is 142830151. The next prime is 142830167. The reversal of 142830153 is 351038241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 10188864 = 11517^2 + 3192^2 .

It is not a de Polignac number, because 142830153 - 2¹ = 142830151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142830151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7935000 + ... + 7935017.

It is an arithmetic number, because the mean of its divisors is an integer number (34385039).

Almost surely, 2^142830153 is an apocalyptic number.

It is an amenable number.

142830153 is a deficient number, since it is larger than the sum of its proper divisors (63480081).

142830153 is a wasteful number, since it uses less digits than its factorization.

142830153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870023 (or 15870020 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 142830153 is about 11951.1569732809. The cubic root of 142830153 is about 522.7250351218.

Adding to 142830153 its reverse (351038241), we get a palindrome (493868394).

The spelling of 142830153 in words is "one hundred forty-two million, eight hundred thirty thousand, one hundred fifty-three".