1445400633103 has 16 divisors (see below), whose sum is σ = 1667635200000. Its totient is φ = 1227111355872.

The previous prime is 1445400633041. The next prime is 1445400633109. The reversal of 1445400633103 is 3013360045441.

It is a cyclic number.

It is not a de Polignac number, because 1445400633103 - 2³⁷ = 1307961679631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445400633109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1814898 + ... + 2486896.

It is an arithmetic number, because the mean of its divisors is an integer number (104227200000).

Almost surely, 2^{1445400633103} is an apocalyptic number.

1445400633103 is a deficient number, since it is larger than the sum of its proper divisors (222234566897).

1445400633103 is a wasteful number, since it uses less digits than its factorization.

1445400633103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674934.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 1445400633103 its reverse (3013360045441), we get a palindrome (4458760678544).

The spelling of 1445400633103 in words is "one trillion, four hundred forty-five billion, four hundred million, six hundred thirty-three thousand, one hundred three".