45416121 has 4 divisors (see below), whose sum is σ = 60554832. Its totient is φ = 30277412.

The previous prime is 45416093. The next prime is 45416141. The reversal of 45416121 is 12161454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45416121 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 45416091 and 45416100.

It is not an unprimeable number, because it can be changed into a prime (45416141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7569351 + ... + 7569356.

It is an arithmetic number, because the mean of its divisors is an integer number (15138708).

Almost surely, 2^45416121 is an apocalyptic number.

It is an amenable number.

45416121 is a deficient number, since it is larger than the sum of its proper divisors (15138711).

45416121 is a wasteful number, since it uses less digits than its factorization.

45416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138710.

The product of its digits is 960, while the sum is 24.

The square root of 45416121 is about 6739.1483883351. The cubic root of 45416121 is about 356.7823371687.

Adding to 45416121 its reverse (12161454), we get a palindrome (57577575).

The spelling of 45416121 in words is "forty-five million, four hundred sixteen thousand, one hundred twenty-one".