1550455114445 has 8 divisors (see below), whose sum is σ = 1861047789720. Its totient is φ = 1240029656640.

The previous prime is 1550455114423. The next prime is 1550455114447. The reversal of 1550455114445 is 5444115540551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 186469376041 + 1363985738404 = 431821^2 + 1167898^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1550455114445 is a prime.

It is a super-2 number, since 2×1550455114445² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1550455114396 and 1550455114405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550455114447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41783966 + ... + 41821055.

It is an arithmetic number, because the mean of its divisors is an integer number (232630973715).

Almost surely, 2^{1550455114445} is an apocalyptic number.

It is an amenable number.

1550455114445 is a deficient number, since it is larger than the sum of its proper divisors (310592675275).

1550455114445 is an equidigital number, since it uses as much as digits as its factorization.

1550455114445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83608735.

The product of its (nonzero) digits is 800000, while the sum is 44.

The spelling of 1550455114445 in words is "one trillion, five hundred fifty billion, four hundred fifty-five million, one hundred fourteen thousand, four hundred forty-five".