45073380 has 96 divisors (see below), whose sum is σ = 142184448. Its totient is φ = 10569600.

The previous prime is 45073361. The next prime is 45073381. The reversal of 45073380 is 8337054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (45073381) 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, 19359 + ... + 21561.

It is an arithmetic number, because the mean of its divisors is an integer number (1481088).

Almost surely, 2^45073380 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 45073380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71092224).

45073380 is an abundant number, since it is smaller than the sum of its proper divisors (97111068).

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

45073380 is a wasteful number, since it uses less digits than its factorization.

45073380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 45073380 is about 6713.6711268873. The cubic root of 45073380 is about 355.8825623664.

It can be divided in two parts, 4507 and 3380, that added together give a palindrome (7887).

The spelling of 45073380 in words is "forty-five million, seventy-three thousand, three hundred eighty".