44042545 has 8 divisors (see below), whose sum is σ = 52920360. Its totient is φ = 35187840.

The previous prime is 44042533. The next prime is 44042573. The reversal of 44042545 is 54524044.

It can be written as a sum of positive squares in 4 ways, for example, as 4704561 + 39337984 = 2169^2 + 6272^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-44042545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260 + ... + 9469.

It is an arithmetic number, because the mean of its divisors is an integer number (6615045).

Almost surely, 2^44042545 is an apocalyptic number.

It is an amenable number.

44042545 is a deficient number, since it is larger than the sum of its proper divisors (8877815).

44042545 is a wasteful number, since it uses less digits than its factorization.

44042545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 44042545 is about 6636.4557558986. The cubic root of 44042545 is about 353.1485837487.

Adding to 44042545 its reverse (54524044), we get a palindrome (98566589).

The spelling of 44042545 in words is "forty-four million, forty-two thousand, five hundred forty-five".