44143245 has 32 divisors (see below), whose sum is σ = 79309440. Its totient is φ = 23293440.

The previous prime is 44143243. The next prime is 44143259. The reversal of 44143245 is 54234144.

It is a happy number.

44143245 is a `hidden beast` number, since 4 + 414 + 3 + 245 = 666.

It is not a de Polignac number, because 44143245 - 2¹ = 44143243 is a prime.

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 (44143243) 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 31 ways as a sum of consecutive naturals, for example, 11410 + ... + 14780.

It is an arithmetic number, because the mean of its divisors is an integer number (2478420).

Almost surely, 2^44143245 is an apocalyptic number.

44143245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44143245 is a deficient number, since it is larger than the sum of its proper divisors (35166195).

44143245 is a wasteful number, since it uses less digits than its factorization.

44143245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482 (or 3476 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 44143245 is about 6644.0383051274. The cubic root of 44143245 is about 353.4175281934.

Adding to 44143245 its reverse (54234144), we get a palindrome (98377389).

The spelling of 44143245 in words is "forty-four million, one hundred forty-three thousand, two hundred forty-five".