142862953 has 2 divisors, whose sum is σ = 142862954. Its totient is φ = 142862952.

The previous prime is 142862947. The next prime is 142862963. The reversal of 142862953 is 359268241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123476544 + 19386409 = 11112^2 + 4403^2 .

It is an emirp because it is prime and its reverse (359268241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142862953 is a prime.

It is not a weakly prime, because it can be changed into another prime (142862933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71431476 + 71431477.

It is an arithmetic number, because the mean of its divisors is an integer number (71431477).

Almost surely, 2^142862953 is an apocalyptic number.

It is an amenable number.

142862953 is a deficient number, since it is larger than the sum of its proper divisors (1).

142862953 is an equidigital number, since it uses as much as digits as its factorization.

142862953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 142862953 is about 11952.5291465865. The cubic root of 142862953 is about 522.7650455083.

The spelling of 142862953 in words is "one hundred forty-two million, eight hundred sixty-two thousand, nine hundred fifty-three".