9045420 has 48 divisors (see below), whose sum is σ = 25951968. Its totient is φ = 2352640.

The previous prime is 9045409. The next prime is 9045431. The reversal of 9045420 is 245409.

It is an interprime number because it is at equal distance from previous prime (9045409) and next prime (9045431).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (540666).

Almost surely, 2^9045420 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 9045420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12975984).

9045420 is an abundant number, since it is smaller than the sum of its proper divisors (16906548).

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

9045420 is a wasteful number, since it uses less digits than its factorization.

9045420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 9045420 is about 3007.5604732075. The cubic root of 9045420 is about 208.3577116361.

The spelling of 9045420 in words is "nine million, forty-five thousand, four hundred twenty".