143424949 has 8 divisors (see below), whose sum is σ = 145101528. Its totient is φ = 141753600.

The previous prime is 143424907. The next prime is 143424979. The reversal of 143424949 is 949424341.

It can be written as a sum of positive squares in 4 ways, for example, as 80730225 + 62694724 = 8985^2 + 7918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143424949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143424979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85729 + ... + 87385.

It is an arithmetic number, because the mean of its divisors is an integer number (18137691).

Almost surely, 2^143424949 is an apocalyptic number.

It is an amenable number.

143424949 is a deficient number, since it is larger than the sum of its proper divisors (1676579).

143424949 is a wasteful number, since it uses less digits than its factorization.

143424949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its digits is 124416, while the sum is 40.

The square root of 143424949 is about 11976.0155728022. The cubic root of 143424949 is about 523.4496350804.

It can be divided in two parts, 14342 and 4949, that added together give a palindrome (19291).

The spelling of 143424949 in words is "one hundred forty-three million, four hundred twenty-four thousand, nine hundred forty-nine".