4437421550145 has 12 divisors (see below), whose sum is σ = 7691530686996. Its totient is φ = 2366624826720.

The previous prime is 4437421550123. The next prime is 4437421550147. The reversal of 4437421550145 is 5410551247344.

It is a happy number.

4437421550145 is a `hidden beast` number, since 4 + 4 + 3 + 74 + 21 + 550 + 1 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2430427994289 + 2006993555856 = 1558983^2 + 1416684^2 .

It is not a de Polignac number, because 4437421550145 - 2⁸ = 4437421549889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 98609367781 = 4437421550145 / (4 + 4 + 3 + 7 + 4 + 2 + 1 + 5 + 5 + 0 + 1 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 4437421550145.

It is not an unprimeable number, because it can be changed into a prime (4437421550147) 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 11 ways as a sum of consecutive naturals, for example, 49304683846 + ... + 49304683935.

It is an arithmetic number, because the mean of its divisors is an integer number (640960890583).

Almost surely, 2^{4437421550145} is an apocalyptic number.

4437421550145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4437421550145 is a deficient number, since it is larger than the sum of its proper divisors (3254109136851).

4437421550145 is a wasteful number, since it uses less digits than its factorization.

4437421550145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98609367792 (or 98609367789 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

Adding to 4437421550145 its reverse (5410551247344), we get a palindrome (9847972797489).

The spelling of 4437421550145 in words is "four trillion, four hundred thirty-seven billion, four hundred twenty-one million, five hundred fifty thousand, one hundred forty-five".