44143402 has 8 divisors (see below), whose sum is σ = 66262500. Its totient is φ = 22055904.

The previous prime is 44143391. The next prime is 44143409. The reversal of 44143402 is 20434144.

It can be written as a sum of positive squares in 2 ways, for example, as 44076321 + 67081 = 6639^2 + 259^2 .

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

It is not an unprimeable number, because it can be changed into a prime (44143409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027 + ... + 10222.

Almost surely, 2^44143402 is an apocalyptic number.

44143402 is a deficient number, since it is larger than the sum of its proper divisors (22119098).

44143402 is a wasteful number, since it uses less digits than its factorization.

44143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44143402 is about 6644.0501202203. The cubic root of 44143402 is about 353.4179471815.

Adding to 44143402 its reverse (20434144), we get a palindrome (64577546).

The spelling of 44143402 in words is "forty-four million, one hundred forty-three thousand, four hundred two".