44855138 has 4 divisors (see below), whose sum is σ = 67282710. Its totient is φ = 22427568.

The previous prime is 44855131. The next prime is 44855177. The reversal of 44855138 is 83155844.

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

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 5329 = 6697^2 + 73^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44855131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11213783 + ... + 11213786.

Almost surely, 2^44855138 is an apocalyptic number.

44855138 is a deficient number, since it is larger than the sum of its proper divisors (22427572).

44855138 is a wasteful number, since it uses less digits than its factorization.

44855138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22427571.

The product of its digits is 76800, while the sum is 38.

The square root of 44855138 is about 6697.3978528978. The cubic root of 44855138 is about 355.3072470652.

The spelling of 44855138 in words is "forty-four million, eight hundred fifty-five thousand, one hundred thirty-eight".