142133248 has 24 divisors (see below), whose sum is σ = 284201190. Its totient is φ = 71065600.

The previous prime is 142133239. The next prime is 142133273. The reversal of 142133248 is 842331241.

It can be written as a sum of positive squares in only one way, i.e., 112190464 + 29942784 = 10592^2 + 5472^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32653 + ... + 36748.

Almost surely, 2^142133248 is an apocalyptic number.

It is an amenable number.

142133248 is a deficient number, since it is larger than the sum of its proper divisors (142067942).

142133248 is an frugal number, since it uses more digits than its factorization.

142133248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69423 (or 69403 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 142133248 is about 11921.9649387171. The cubic root of 142133248 is about 521.8734787291.

Adding to 142133248 its reverse (842331241), we get a palindrome (984464489).

The spelling of 142133248 in words is "one hundred forty-two million, one hundred thirty-three thousand, two hundred forty-eight".