142031452 has 12 divisors (see below), whose sum is σ = 251016696. Its totient is φ = 70312400.

The previous prime is 142031437. The next prime is 142031459. The reversal of 142031452 is 254130241.

142031452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031459) 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, 175378 + ... + 176185.

It is an arithmetic number, because the mean of its divisors is an integer number (20918058).

Almost surely, 2^142031452 is an apocalyptic number.

It is an amenable number.

142031452 is a deficient number, since it is larger than the sum of its proper divisors (108985244).

142031452 is a wasteful number, since it uses less digits than its factorization.

142031452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351668 (or 351666 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142031452 is about 11917.6949113493. The cubic root of 142031452 is about 521.7488601732.

Adding to 142031452 its reverse (254130241), we get a palindrome (396161693).

The spelling of 142031452 in words is "one hundred forty-two million, thirty-one thousand, four hundred fifty-two".