44540545 has 16 divisors (see below), whose sum is σ = 61246080. Its totient is φ = 30461184.

The previous prime is 44540543. The next prime is 44540567. The reversal of 44540545 is 54504544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44540545 - 2¹ = 44540543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44540543) 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 15 ways as a sum of consecutive naturals, for example, 13686 + ... + 16624.

It is an arithmetic number, because the mean of its divisors is an integer number (3827880).

Almost surely, 2^44540545 is an apocalyptic number.

It is an amenable number.

44540545 is a deficient number, since it is larger than the sum of its proper divisors (16705535).

44540545 is a wasteful number, since it uses less digits than its factorization.

44540545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 44540545 is about 6673.8703163906. The cubic root of 44540545 is about 354.4746444665.

The spelling of 44540545 in words is "forty-four million, five hundred forty thousand, five hundred forty-five".