142454252 has 6 divisors (see below), whose sum is σ = 249294948. Its totient is φ = 71227124.

The previous prime is 142454251. The next prime is 142454309. The reversal of 142454252 is 252454241.

It is not an unprimeable number, because it can be changed into a prime (142454251) 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 as a sum of consecutive naturals, namely, 17806778 + ... + 17806785.

It is an arithmetic number, because the mean of its divisors is an integer number (41549158).

Almost surely, 2^142454252 is an apocalyptic number.

It is an amenable number.

142454252 is a deficient number, since it is larger than the sum of its proper divisors (106840696).

142454252 is a wasteful number, since it uses less digits than its factorization.

142454252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35613567 (or 35613565 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 142454252 is about 11935.4200596376. The cubic root of 142454252 is about 522.2660622586.

The spelling of 142454252 in words is "one hundred forty-two million, four hundred fifty-four thousand, two hundred fifty-two".