143422041 has 32 divisors (see below), whose sum is σ = 224493568. Its totient is φ = 79755840.

The previous prime is 143422031. The next prime is 143422049. The reversal of 143422041 is 140224341.

It is not a de Polignac number, because 143422041 - 2⁹ = 143421529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143421999 and 143422017.

It is not an unprimeable number, because it can be changed into a prime (143422049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131400 + ... + 132486.

It is an arithmetic number, because the mean of its divisors is an integer number (7015424).

Almost surely, 2^143422041 is an apocalyptic number.

It is an amenable number.

143422041 is a deficient number, since it is larger than the sum of its proper divisors (81071527).

143422041 is a wasteful number, since it uses less digits than its factorization.

143422041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143422041 is about 11975.8941628590. The cubic root of 143422041 is about 523.4460973374.

Adding to 143422041 its reverse (140224341), we get a palindrome (283646382).

The spelling of 143422041 in words is "one hundred forty-three million, four hundred twenty-two thousand, forty-one".