5444430145 has 32 divisors (see below), whose sum is σ = 8574151680. Its totient is φ = 3215298240.

The previous prime is 5444430137. The next prime is 5444430151. The reversal of 5444430145 is 5410344445.

It is not a de Polignac number, because 5444430145 - 2³ = 5444430137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5444430145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364827 + ... + 379456.

It is an arithmetic number, because the mean of its divisors is an integer number (267942240).

Almost surely, 2^5444430145 is an apocalyptic number.

5444430145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5444430145 is a deficient number, since it is larger than the sum of its proper divisors (3129721535).

5444430145 is a wasteful number, since it uses less digits than its factorization.

5444430145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744325.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 5444430145 is about 73786.3818397406. The cubic root of 5444430145 is about 1759.2091558196.

The spelling of 5444430145 in words is "five billion, four hundred forty-four million, four hundred thirty thousand, one hundred forty-five".