45210550042345 has 4 divisors (see below), whose sum is σ = 54252660050820. Its totient is φ = 36168440033872.

The previous prime is 45210550042321. The next prime is 45210550042367. The reversal of 45210550042345 is 54324005501254.

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 26569942396816 + 18640607645529 = 5154604^2 + 4317477^2 .

It is a cyclic number.

It is not a de Polignac number, because 45210550042345 - 2¹⁷ = 45210549911273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45210550042298 and 45210550042307.

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, 4521055004230 + ... + 4521055004239.

It is an arithmetic number, because the mean of its divisors is an integer number (13563165012705).

Almost surely, 2^{45210550042345} is an apocalyptic number.

It is an amenable number.

45210550042345 is a deficient number, since it is larger than the sum of its proper divisors (9042110008475).

45210550042345 is an equidigital number, since it uses as much as digits as its factorization.

45210550042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042110008474.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 45210550042345 its reverse (54324005501254), we get a palindrome (99534555543599).

The spelling of 45210550042345 in words is "forty-five trillion, two hundred ten billion, five hundred fifty million, forty-two thousand, three hundred forty-five".