445453130103 has 4 divisors (see below), whose sum is σ = 593937506808. Its totient is φ = 296968753400.

The previous prime is 445453130071. The next prime is 445453130123. The reversal of 445453130103 is 301031354544.

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

It is a cyclic number.

It is not a de Polignac number, because 445453130103 - 2⁵ = 445453130071 is a prime.

It is a super-2 number, since 2×445453130103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445453130123) 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, 74242188348 + ... + 74242188353.

It is an arithmetic number, because the mean of its divisors is an integer number (148484376702).

Almost surely, 2^445453130103 is an apocalyptic number.

445453130103 is a deficient number, since it is larger than the sum of its proper divisors (148484376705).

445453130103 is a wasteful number, since it uses less digits than its factorization.

445453130103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148484376704.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 445453130103 its reverse (301031354544), we get a palindrome (746484484647).

The spelling of 445453130103 in words is "four hundred forty-five billion, four hundred fifty-three million, one hundred thirty thousand, one hundred three".