45121345 has 8 divisors (see below), whose sum is σ = 54238464. Its totient is φ = 36035184.

The previous prime is 45121343. The next prime is 45121379. The reversal of 45121345 is 54312154.

It is a happy number.

45121345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45121345 - 2¹ = 45121343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4399 + ... + 10468.

It is an arithmetic number, because the mean of its divisors is an integer number (6779808).

Almost surely, 2^45121345 is an apocalyptic number.

It is an amenable number.

45121345 is a deficient number, since it is larger than the sum of its proper divisors (9117119).

45121345 is a wasteful number, since it uses less digits than its factorization.

45121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479.

The product of its digits is 2400, while the sum is 25.

The square root of 45121345 is about 6717.2423657331. The cubic root of 45121345 is about 356.0087555184.

Adding to 45121345 its reverse (54312154), we get a palindrome (99433499).

The spelling of 45121345 in words is "forty-five million, one hundred twenty-one thousand, three hundred forty-five".