143040033401 has 4 divisors (see below), whose sum is σ = 149259165312. Its totient is φ = 136820901492.

The previous prime is 143040033391. The next prime is 143040033403. The reversal of 143040033401 is 104330040341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104330040341 = 173 ⋅603063817.

It is a cyclic number.

It is not a de Polignac number, because 143040033401 - 2⁶ = 143040033337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6219131887 = 143040033401 / (1 + 4 + 3 + 0 + 4 + 0 + 0 + 3 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143040033403) 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, 3109565921 + ... + 3109565966.

It is an arithmetic number, because the mean of its divisors is an integer number (37314791328).

Almost surely, 2^143040033401 is an apocalyptic number.

It is an amenable number.

143040033401 is a deficient number, since it is larger than the sum of its proper divisors (6219131911).

143040033401 is an equidigital number, since it uses as much as digits as its factorization.

143040033401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219131910.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 143040033401 its reverse (104330040341), we get a palindrome (247370073742).

The spelling of 143040033401 in words is "one hundred forty-three billion, forty million, thirty-three thousand, four hundred one".