45045121 has 8 divisors (see below), whose sum is σ = 52030944. Its totient is φ = 38541120.

The previous prime is 45045097. The next prime is 45045127. The reversal of 45045121 is 12154054.

45045121 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 45045121 - 2²³ = 36656513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45045092 and 45045101.

It is not an unprimeable number, because it can be changed into a prime (45045127) 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, 120255 + ... + 120628.

It is an arithmetic number, because the mean of its divisors is an integer number (6503868).

Almost surely, 2^45045121 is an apocalyptic number.

It is an amenable number.

45045121 is a deficient number, since it is larger than the sum of its proper divisors (6985823).

45045121 is a wasteful number, since it uses less digits than its factorization.

45045121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240911.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45045121 is about 6711.5662106546. The cubic root of 45045121 is about 355.8081726504.

Adding to 45045121 its reverse (12154054), we get a palindrome (57199175).

The spelling of 45045121 in words is "forty-five million, forty-five thousand, one hundred twenty-one".