45250121 has 16 divisors (see below), whose sum is σ = 54051840. Its totient is φ = 37060800.

The previous prime is 45250103. The next prime is 45250129. The reversal of 45250121 is 12105254.

45250121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45250121 - 2⁶ = 45250057 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45250093 and 45250102.

It is not an unprimeable number, because it can be changed into a prime (45250129) 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 15 ways as a sum of consecutive naturals, for example, 19400 + ... + 21606.

It is an arithmetic number, because the mean of its divisors is an integer number (3378240).

Almost surely, 2^45250121 is an apocalyptic number.

It is an amenable number.

45250121 is a deficient number, since it is larger than the sum of its proper divisors (8801719).

45250121 is a wasteful number, since it uses less digits than its factorization.

45250121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45250121 is about 6726.8210173900. The cubic root of 45250121 is about 356.3471159875.

Adding to 45250121 its reverse (12105254), we get a palindrome (57355375).

The spelling of 45250121 in words is "forty-five million, two hundred fifty thousand, one hundred twenty-one".