45121245345 has 32 divisors (see below), whose sum is σ = 87507872640. Its totient is φ = 21876966720.

The previous prime is 45121245343. The next prime is 45121245347. The reversal of 45121245345 is 54354212154.

45121245345 is a `hidden beast` number, since 4 + 51 + 21 + 245 + 345 = 666.

It is an interprime number because it is at equal distance from previous prime (45121245343) and next prime (45121245347).

It is not a de Polignac number, because 45121245345 - 2¹ = 45121245343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45121245343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15190854 + ... + 15193823.

It is an arithmetic number, because the mean of its divisors is an integer number (2734621020).

Almost surely, 2^45121245345 is an apocalyptic number.

45121245345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45121245345 is a deficient number, since it is larger than the sum of its proper divisors (42386627295).

45121245345 is a wasteful number, since it uses less digits than its factorization.

45121245345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30384702 (or 30384696 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 45121245345 its reverse (54354212154), we get a palindrome (99475457499).

The spelling of 45121245345 in words is "forty-five billion, one hundred twenty-one million, two hundred forty-five thousand, three hundred forty-five".