143449099 has 2 divisors, whose sum is σ = 143449100. Its totient is φ = 143449098.

The previous prime is 143449067. The next prime is 143449133. The reversal of 143449099 is 990944341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143449099 - 2⁵ = 143449067 is a prime.

It is not a weakly prime, because it can be changed into another prime (143449049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71724549 + 71724550.

It is an arithmetic number, because the mean of its divisors is an integer number (71724550).

Almost surely, 2^143449099 is an apocalyptic number.

143449099 is a deficient number, since it is larger than the sum of its proper divisors (1).

143449099 is an equidigital number, since it uses as much as digits as its factorization.

143449099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 143449099 is about 11977.0237955846. The cubic root of 143449099 is about 523.4790130450.

The spelling of 143449099 in words is "one hundred forty-three million, four hundred forty-nine thousand, ninety-nine".