1450250105405 has 4 divisors (see below), whose sum is σ = 1740300126492. Its totient is φ = 1160200084320.

The previous prime is 1450250105401. The next prime is 1450250105429. The reversal of 1450250105405 is 5045010520541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 455391479929 + 994858625476 = 674827^2 + 997426^2 .

It is not a de Polignac number, because 1450250105405 - 2² = 1450250105401 is a prime.

It is a super-2 number, since 2×1450250105405² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450250105401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145025010536 + ... + 145025010545.

It is an arithmetic number, because the mean of its divisors is an integer number (435075031623).

Almost surely, 2^{1450250105405} is an apocalyptic number.

It is an amenable number.

1450250105405 is a deficient number, since it is larger than the sum of its proper divisors (290050021087).

1450250105405 is an equidigital number, since it uses as much as digits as its factorization.

1450250105405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290050021086.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 1450250105405 its reverse (5045010520541), we get a palindrome (6495260625946).

The spelling of 1450250105405 in words is "one trillion, four hundred fifty billion, two hundred fifty million, one hundred five thousand, four hundred five".