45908121 has 8 divisors (see below), whose sum is σ = 69955264. Its totient is φ = 26233200.

The previous prime is 45908113. The next prime is 45908197. The reversal of 45908121 is 12180954.

It is a happy number.

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

It is not a de Polignac number, because 45908121 - 2³ = 45908113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45908101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093030 + ... + 1093071.

It is an arithmetic number, because the mean of its divisors is an integer number (8744408).

Almost surely, 2^45908121 is an apocalyptic number.

It is an amenable number.

45908121 is a deficient number, since it is larger than the sum of its proper divisors (24047143).

45908121 is a wasteful number, since it uses less digits than its factorization.

45908121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186111.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 45908121 is about 6775.5531877478. The cubic root of 45908121 is about 358.0660724049.

The spelling of 45908121 in words is "forty-five million, nine hundred eight thousand, one hundred twenty-one".