143492049 has 6 divisors (see below), whose sum is σ = 207266306. Its totient is φ = 95661360.

The previous prime is 143492039. The next prime is 143492051. The reversal of 143492049 is 940294341.

It can be written as a sum of positive squares in only one way, i.e., 126967824 + 16524225 = 11268^2 + 4065^2 .

It is not a de Polignac number, because 143492049 - 2⁵ = 143492017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143492039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7971772 + ... + 7971789.

Almost surely, 2^143492049 is an apocalyptic number.

It is an amenable number.

143492049 is a deficient number, since it is larger than the sum of its proper divisors (63774257).

143492049 is a wasteful number, since it uses less digits than its factorization.

143492049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943567 (or 15943564 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 143492049 is about 11978.8166777858. The cubic root of 143492049 is about 523.5312526669.

The spelling of 143492049 in words is "one hundred forty-three million, four hundred ninety-two thousand, forty-nine".