142124452 has 12 divisors (see below), whose sum is σ = 259531776. Its totient is φ = 67972520.

The previous prime is 142124441. The next prime is 142124453. The reversal of 142124452 is 254421241.

It is not an unprimeable number, because it can be changed into a prime (142124453) 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, 772324 + ... + 772507.

It is an arithmetic number, because the mean of its divisors is an integer number (21627648).

Almost surely, 2^142124452 is an apocalyptic number.

It is an amenable number.

142124452 is a deficient number, since it is larger than the sum of its proper divisors (117407324).

142124452 is a wasteful number, since it uses less digits than its factorization.

142124452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544858 (or 1544856 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 142124452 is about 11921.5960340887. The cubic root of 142124452 is about 521.8627130242.

Adding to 142124452 its reverse (254421241), we get a palindrome (396545693).

The spelling of 142124452 in words is "one hundred forty-two million, one hundred twenty-four thousand, four hundred fifty-two".