143012473 has 2 divisors, whose sum is σ = 143012474. Its totient is φ = 143012472.

The previous prime is 143012431. The next prime is 143012477. The reversal of 143012473 is 374210341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 44049769 = 9948^2 + 6637^2 .

It is a cyclic number.

It is not a de Polignac number, because 143012473 - 2⁹ = 143011961 is a prime.

It is not a weakly prime, because it can be changed into another prime (143012477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71506236 + 71506237.

It is an arithmetic number, because the mean of its divisors is an integer number (71506237).

Almost surely, 2^143012473 is an apocalyptic number.

It is an amenable number.

143012473 is a deficient number, since it is larger than the sum of its proper divisors (1).

143012473 is an equidigital number, since it uses as much as digits as its factorization.

143012473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 143012473 is about 11958.7822540591. The cubic root of 143012473 is about 522.9473567726.

It can be divided in two parts, 143012 and 473, that multiplied together give a palindrome (67644676).

The spelling of 143012473 in words is "one hundred forty-three million, twelve thousand, four hundred seventy-three".