143621046 has 32 divisors (see below), whose sum is σ = 320071680. Its totient is φ = 47736648.

The previous prime is 143621041. The next prime is 143621053. The reversal of 143621046 is 640126341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143621041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16195 + ... + 23441.

It is an arithmetic number, because the mean of its divisors is an integer number (10002240).

Almost surely, 2^143621046 is an apocalyptic number.

143621046 is an abundant number, since it is smaller than the sum of its proper divisors (176450634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143621046 is a wasteful number, since it uses less digits than its factorization.

143621046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7619 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 143621046 is about 11984.1998481334. The cubic root of 143621046 is about 523.6880876838.

Adding to 143621046 its reverse (640126341), we get a palindrome (783747387).

The spelling of 143621046 in words is "one hundred forty-three million, six hundred twenty-one thousand, forty-six".