142564322 has 8 divisors (see below), whose sum is σ = 214380972. Its totient is φ = 71104000.

The previous prime is 142564309. The next prime is 142564333. The reversal of 142564322 is 223465241.

It can be written as a sum of positive squares in 2 ways, for example, as 141586201 + 978121 = 11899^2 + 989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 88079 + ... + 89682.

Almost surely, 2^142564322 is an apocalyptic number.

142564322 is a deficient number, since it is larger than the sum of its proper divisors (71816650).

142564322 is a wasteful number, since it uses less digits than its factorization.

142564322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178164.

The product of its digits is 11520, while the sum is 29.

The square root of 142564322 is about 11940.0302344676. The cubic root of 142564322 is about 522.4005405798.

The spelling of 142564322 in words is "one hundred forty-two million, five hundred sixty-four thousand, three hundred twenty-two".