143002157 has 2 divisors, whose sum is σ = 143002158. Its totient is φ = 143002156.

The previous prime is 143002141. The next prime is 143002169. The reversal of 143002157 is 751200341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88153321 + 54848836 = 9389^2 + 7406^2 .

It is a cyclic number.

It is not a de Polignac number, because 143002157 - 2⁴ = 143002141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143002177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71501078 + 71501079.

It is an arithmetic number, because the mean of its divisors is an integer number (71501079).

Almost surely, 2^143002157 is an apocalyptic number.

It is an amenable number.

143002157 is a deficient number, since it is larger than the sum of its proper divisors (1).

143002157 is an equidigital number, since it uses as much as digits as its factorization.

143002157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 143002157 is about 11958.3509314621. The cubic root of 143002157 is about 522.9347824506.

Adding to 143002157 its reverse (751200341), we get a palindrome (894202498).

The spelling of 143002157 in words is "one hundred forty-three million, two thousand, one hundred fifty-seven".