44690045 has 4 divisors (see below), whose sum is σ = 53628060. Its totient is φ = 35752032.

The previous prime is 44690039. The next prime is 44690057. The reversal of 44690045 is 54009644.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15031129 + 29658916 = 3877^2 + 5446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44690045 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44689993 and 44690020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4469000 + ... + 4469009.

It is an arithmetic number, because the mean of its divisors is an integer number (13407015).

Almost surely, 2^44690045 is an apocalyptic number.

It is an amenable number.

44690045 is a deficient number, since it is larger than the sum of its proper divisors (8938015).

44690045 is an equidigital number, since it uses as much as digits as its factorization.

44690045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938014.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 44690045 is about 6685.0613310575. The cubic root of 44690045 is about 354.8707987149.

Adding to 44690045 its reverse (54009644), we get a palindrome (98699689).

The spelling of 44690045 in words is "forty-four million, six hundred ninety thousand, forty-five".