45403203304145 has 4 divisors (see below), whose sum is σ = 54483843964980. Its totient is φ = 36322562643312.

The previous prime is 45403203304127. The next prime is 45403203304153. The reversal of 45403203304145 is 54140330230454.

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 26374972821649 + 19028230482496 = 5135657^2 + 4362136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45403203304145 is a prime.

It is a super-2 number, since 2×45403203304145² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45403203304099 and 45403203304108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540320330410 + ... + 4540320330419.

It is an arithmetic number, because the mean of its divisors is an integer number (13620960991245).

Almost surely, 2^{45403203304145} is an apocalyptic number.

It is an amenable number.

45403203304145 is a deficient number, since it is larger than the sum of its proper divisors (9080640660835).

45403203304145 is an equidigital number, since it uses as much as digits as its factorization.

45403203304145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080640660834.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 45403203304145 its reverse (54140330230454), we get a palindrome (99543533534599).

The spelling of 45403203304145 in words is "forty-five trillion, four hundred three billion, two hundred three million, three hundred four thousand, one hundred forty-five".