5445450139 has 8 divisors (see below), whose sum is σ = 5512530240. Its totient is φ = 5378405256.

The previous prime is 5445450133. The next prime is 5445450161. The reversal of 5445450139 is 9310545445.

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

It is a cyclic number.

It is not a de Polignac number, because 5445450139 - 2²⁵ = 5411895707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5445450133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443724 + ... + 455830.

It is an arithmetic number, because the mean of its divisors is an integer number (689066280).

Almost surely, 2^5445450139 is an apocalyptic number.

5445450139 is a deficient number, since it is larger than the sum of its proper divisors (67080101).

5445450139 is a wasteful number, since it uses less digits than its factorization.

5445450139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 5445450139 is about 73793.2933199217. The cubic root of 5445450139 is about 1759.3190094186.

The spelling of 5445450139 in words is "five billion, four hundred forty-five million, four hundred fifty thousand, one hundred thirty-nine".