45065020 has 96 divisors (see below), whose sum is σ = 127120896. Its totient is φ = 12960000.

The previous prime is 45064993. The next prime is 45065021. The reversal of 45065020 is 2056054.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 45064982 and 45065000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45065021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18895 + ... + 21145.

It is an arithmetic number, because the mean of its divisors is an integer number (1324176).

Almost surely, 2^45065020 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 45065020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63560448).

45065020 is an abundant number, since it is smaller than the sum of its proper divisors (82055876).

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

45065020 is a wasteful number, since it uses less digits than its factorization.

45065020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45065020 is about 6713.0484878332. The cubic root of 45065020 is about 355.8605585274.

The spelling of 45065020 in words is "forty-five million, sixty-five thousand, twenty".