44404545 has 8 divisors (see below), whose sum is σ = 71047296. Its totient is φ = 23682416.

The previous prime is 44404541. The next prime is 44404579. The reversal of 44404545 is 54540444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 44404545 - 2² = 44404541 is a prime.

44404545 is a modest number, since divided by 4545 gives 4440 as remainder.

It is not an unprimeable number, because it can be changed into a prime (44404541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480137 + ... + 1480166.

It is an arithmetic number, because the mean of its divisors is an integer number (8880912).

Almost surely, 2^44404545 is an apocalyptic number.

It is an amenable number.

44404545 is a deficient number, since it is larger than the sum of its proper divisors (26642751).

44404545 is a wasteful number, since it uses less digits than its factorization.

44404545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960311.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 44404545 is about 6663.6735364212. The cubic root of 44404545 is about 354.1134926090.

Adding to 44404545 its reverse (54540444), we get a palindrome (98944989).

The spelling of 44404545 in words is "forty-four million, four hundred four thousand, five hundred forty-five".