1450144254505 has 4 divisors (see below), whose sum is σ = 1740173105412. Its totient is φ = 1160115403600.

The previous prime is 1450144254487. The next prime is 1450144254509. The reversal of 1450144254505 is 5054524410541.

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 770653981161 + 679490273344 = 877869^2 + 824312^2 .

It is not a de Polignac number, because 1450144254505 - 2²³ = 1450135865897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450144254509) 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, 145014425446 + ... + 145014425455.

It is an arithmetic number, because the mean of its divisors is an integer number (435043276353).

Almost surely, 2^{1450144254505} is an apocalyptic number.

It is an amenable number.

1450144254505 is a deficient number, since it is larger than the sum of its proper divisors (290028850907).

1450144254505 is an equidigital number, since it uses as much as digits as its factorization.

1450144254505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290028850906.

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 1450144254505 in words is "one trillion, four hundred fifty billion, one hundred forty-four million, two hundred fifty-four thousand, five hundred five".