45903220 has 48 divisors (see below), whose sum is σ = 105997248. Its totient is φ = 16559360.

The previous prime is 45903211. The next prime is 45903223. The reversal of 45903220 is 2230954.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45903223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29379 + ... + 30901.

It is an arithmetic number, because the mean of its divisors is an integer number (2208276).

Almost surely, 2^45903220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45903220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52998624).

45903220 is an abundant number, since it is smaller than the sum of its proper divisors (60094028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45903220 is a wasteful number, since it uses less digits than its factorization.

45903220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 45903220 is about 6775.1915102084. The cubic root of 45903220 is about 358.0533299660.

The spelling of 45903220 in words is "forty-five million, nine hundred three thousand, two hundred twenty".