142796473 has 2 divisors, whose sum is σ = 142796474. Its totient is φ = 142796472.

The previous prime is 142796429. The next prime is 142796519. The reversal of 142796473 is 374697241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116704809 + 26091664 = 10803^2 + 5108^2 .

It is an emirp because it is prime and its reverse (374697241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142796473 - 2¹⁷ = 142665401 is a prime.

It is not a weakly prime, because it can be changed into another prime (142796273) 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, 71398236 + 71398237.

It is an arithmetic number, because the mean of its divisors is an integer number (71398237).

Almost surely, 2^142796473 is an apocalyptic number.

It is an amenable number.

142796473 is a deficient number, since it is larger than the sum of its proper divisors (1).

142796473 is an equidigital number, since it uses as much as digits as its factorization.

142796473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 142796473 is about 11949.7478216069. The cubic root of 142796473 is about 522.6839449112.

The spelling of 142796473 in words is "one hundred forty-two million, seven hundred ninety-six thousand, four hundred seventy-three".