143262473 has 2 divisors, whose sum is σ = 143262474. Its totient is φ = 143262472.

The previous prime is 143262467. The next prime is 143262479. The reversal of 143262473 is 374262341.

It is a balanced prime because it is at equal distance from previous prime (143262467) and next prime (143262479).

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 21557449 = 11032^2 + 4643^2 .

It is an emirp because it is prime and its reverse (374262341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143262473 - 2¹⁰ = 143261449 is a prime.

It is not a weakly prime, because it can be changed into another prime (143262479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71631236 + 71631237.

It is an arithmetic number, because the mean of its divisors is an integer number (71631237).

Almost surely, 2^143262473 is an apocalyptic number.

It is an amenable number.

143262473 is a deficient number, since it is larger than the sum of its proper divisors (1).

143262473 is an equidigital number, since it uses as much as digits as its factorization.

143262473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 143262473 is about 11969.2302592940. The cubic root of 143262473 is about 523.2519006818.

The spelling of 143262473 in words is "one hundred forty-three million, two hundred sixty-two thousand, four hundred seventy-three".