142254466 has 4 divisors (see below), whose sum is σ = 213381702. Its totient is φ = 71127232.

The previous prime is 142254439. The next prime is 142254481. The reversal of 142254466 is 664452241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 142205625 + 48841 = 11925^2 + 221^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35563615 + ... + 35563618.

Almost surely, 2^142254466 is an apocalyptic number.

142254466 is a deficient number, since it is larger than the sum of its proper divisors (71127236).

142254466 is an equidigital number, since it uses as much as digits as its factorization.

142254466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71127235.

The product of its digits is 46080, while the sum is 34.

The square root of 142254466 is about 11927.0476648666. The cubic root of 142254466 is about 522.0217960884.

The spelling of 142254466 in words is "one hundred forty-two million, two hundred fifty-four thousand, four hundred sixty-six".