143431653441 has 8 divisors (see below), whose sum is σ = 194377322944. Its totient is φ = 94053543120.

The previous prime is 143431653439. The next prime is 143431653487. The reversal of 143431653441 is 144356134341.

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

It is not a de Polignac number, because 143431653441 - 2¹ = 143431653439 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143431653441.

It is not an unprimeable number, because it can be changed into a prime (143431653641) 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, 391889581 + ... + 391889946.

It is an arithmetic number, because the mean of its divisors is an integer number (24297165368).

Almost surely, 2^143431653441 is an apocalyptic number.

It is an amenable number.

143431653441 is a deficient number, since it is larger than the sum of its proper divisors (50945669503).

143431653441 is an equidigital number, since it uses as much as digits as its factorization.

143431653441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783779591.

The product of its digits is 207360, while the sum is 39.

Adding to 143431653441 its reverse (144356134341), we get a palindrome (287787787782).

The spelling of 143431653441 in words is "one hundred forty-three billion, four hundred thirty-one million, six hundred fifty-three thousand, four hundred forty-one".