143964157 has 2 divisors, whose sum is σ = 143964158. Its totient is φ = 143964156.

The previous prime is 143964137. The next prime is 143964169. The reversal of 143964157 is 751469341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110544196 + 33419961 = 10514^2 + 5781^2 .

It is a cyclic number.

It is not a de Polignac number, because 143964157 - 2¹⁹ = 143439869 is a prime.

It is a super-3 number, since 3×143964157³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143964127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71982078 + 71982079.

It is an arithmetic number, because the mean of its divisors is an integer number (71982079).

Almost surely, 2^143964157 is an apocalyptic number.

It is an amenable number.

143964157 is a deficient number, since it is larger than the sum of its proper divisors (1).

143964157 is an equidigital number, since it uses as much as digits as its factorization.

143964157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 143964157 is about 11998.5064487210. The cubic root of 143964157 is about 524.1047866989.

The spelling of 143964157 in words is "one hundred forty-three million, nine hundred sixty-four thousand, one hundred fifty-seven".