143261368 has 16 divisors (see below), whose sum is σ = 282753000. Its totient is φ = 67860576.

The previous prime is 143261357. The next prime is 143261369. The reversal of 143261368 is 863162341.

It is a happy number.

It is a super-2 number, since 2×143261368² = 41047639122462848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143261369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471103 + ... + 471406.

Almost surely, 2^143261368 is an apocalyptic number.

It is an amenable number.

143261368 is a deficient number, since it is larger than the sum of its proper divisors (139491632).

143261368 is a wasteful number, since it uses less digits than its factorization.

143261368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942534 (or 942530 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 143261368 is about 11969.1840991774. The cubic root of 143261368 is about 523.2505553775.

The spelling of 143261368 in words is "one hundred forty-three million, two hundred sixty-one thousand, three hundred sixty-eight".