1445343450154 has 4 divisors (see below), whose sum is σ = 2168015175234. Its totient is φ = 722671725076.

The previous prime is 1445343450151. The next prime is 1445343450163. The reversal of 1445343450154 is 4510543435441.

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

It can be written as a sum of positive squares in only one way, i.e., 1124395140625 + 320948309529 = 1060375^2 + 566523^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1445343450154.

It is not an unprimeable number, because it can be changed into a prime (1445343450151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361335862537 + ... + 361335862540.

Almost surely, 2^{1445343450154} is an apocalyptic number.

1445343450154 is a deficient number, since it is larger than the sum of its proper divisors (722671725080).

1445343450154 is an equidigital number, since it uses as much as digits as its factorization.

1445343450154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722671725079.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 1445343450154 its reverse (4510543435441), we get a palindrome (5955886885595).

The spelling of 1445343450154 in words is "one trillion, four hundred forty-five billion, three hundred forty-three million, four hundred fifty thousand, one hundred fifty-four".