143042049 has 6 divisors (see below), whose sum is σ = 206616306. Its totient is φ = 95361360.

The previous prime is 143042047. The next prime is 143042057. The reversal of 143042049 is 940240341.

It can be written as a sum of positive squares in only one way, i.e., 78641424 + 64400625 = 8868^2 + 8025^2 .

It is not a de Polignac number, because 143042049 - 2¹ = 143042047 is a prime.

It is a super-2 number, since 2×143042049² = 40922055564236802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143042041) 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, 7946772 + ... + 7946789.

It is an arithmetic number, because the mean of its divisors is an integer number (34436051).

Almost surely, 2^143042049 is an apocalyptic number.

It is an amenable number.

143042049 is a deficient number, since it is larger than the sum of its proper divisors (63574257).

143042049 is a wasteful number, since it uses less digits than its factorization.

143042049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15893567 (or 15893564 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 143042049 is about 11960.0187708883. The cubic root of 143042049 is about 522.9834040362.

The spelling of 143042049 in words is "one hundred forty-three million, forty-two thousand, forty-nine".