142664313 has 8 divisors (see below), whose sum is σ = 207511776. Its totient is φ = 86463200.

The previous prime is 142664309. The next prime is 142664321. The reversal of 142664313 is 313466241.

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

It is a cyclic number.

It is not a de Polignac number, because 142664313 - 2² = 142664309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142664303) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2161548 + ... + 2161613.

It is an arithmetic number, because the mean of its divisors is an integer number (25938972).

Almost surely, 2^142664313 is an apocalyptic number.

It is an amenable number.

142664313 is a deficient number, since it is larger than the sum of its proper divisors (64847463).

142664313 is a wasteful number, since it uses less digits than its factorization.

142664313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323175.

The product of its digits is 10368, while the sum is 30.

The square root of 142664313 is about 11944.2167177258. The cubic root of 142664313 is about 522.5226448676.

The spelling of 142664313 in words is "one hundred forty-two million, six hundred sixty-four thousand, three hundred thirteen".