44545898147 has 4 divisors (see below), whose sum is σ = 44550166080. Its totient is φ = 44541630216.

The previous prime is 44545898143. The next prime is 44545898171. The reversal of 44545898147 is 74189854544.

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

It is a cyclic number.

It is not a de Polignac number, because 44545898147 - 2² = 44545898143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44545898143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118272 + ... + 2139197.

It is an arithmetic number, because the mean of its divisors is an integer number (11137541520).

Almost surely, 2^44545898147 is an apocalyptic number.

44545898147 is a deficient number, since it is larger than the sum of its proper divisors (4267933).

44545898147 is a wasteful number, since it uses less digits than its factorization.

44545898147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267932.

The product of its digits is 25804800, while the sum is 59.

The spelling of 44545898147 in words is "forty-four billion, five hundred forty-five million, eight hundred ninety-eight thousand, one hundred forty-seven".