142964213 has 6 divisors (see below), whose sum is σ = 166305366. Its totient is φ = 122540712.

The previous prime is 142964209. The next prime is 142964221. The reversal of 142964213 is 312469241.

It can be written as a sum of positive squares in only one way, i.e., 138133009 + 4831204 = 11753^2 + 2198^2 .

It is not a de Polignac number, because 142964213 - 2² = 142964209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142964213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142964243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458770 + ... + 1458867.

It is an arithmetic number, because the mean of its divisors is an integer number (27717561).

Almost surely, 2^142964213 is an apocalyptic number.

It is an amenable number.

142964213 is a deficient number, since it is larger than the sum of its proper divisors (23341153).

142964213 is an equidigital number, since it uses as much as digits as its factorization.

142964213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917651 (or 2917644 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 142964213 is about 11956.7643198317. The cubic root of 142964213 is about 522.8885267553. Note that the first 3 decimals are identical.

The spelling of 142964213 in words is "one hundred forty-two million, nine hundred sixty-four thousand, two hundred thirteen".