143245413 has 12 divisors (see below), whose sum is σ = 214045260. Its totient is φ = 92203776.

The previous prime is 143245409. The next prime is 143245423. The reversal of 143245413 is 314542341.

It is a happy number.

143245413 is a `hidden beast` number, since 1 + 4 + 3 + 245 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49871844 + 93373569 = 7062^2 + 9663^2 .

It is not a de Polignac number, because 143245413 - 2² = 143245409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143245423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274156 + ... + 274677.

It is an arithmetic number, because the mean of its divisors is an integer number (17837105).

Almost surely, 2^143245413 is an apocalyptic number.

It is an amenable number.

143245413 is a deficient number, since it is larger than the sum of its proper divisors (70799847).

143245413 is a wasteful number, since it uses less digits than its factorization.

143245413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548868 (or 548865 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 143245413 is about 11968.5175773777. The cubic root of 143245413 is about 523.2311298742.

Adding to 143245413 its reverse (314542341), we get a palindrome (457787754).

The spelling of 143245413 in words is "one hundred forty-three million, two hundred forty-five thousand, four hundred thirteen".