9045400 has 144 divisors (see below), whose sum is σ = 26717040. Its totient is φ = 2822400.

The previous prime is 9045391. The next prime is 9045409. The reversal of 9045400 is 45409.

It is an interprime number because it is at equal distance from previous prime (9045391) and next prime (9045409).

It is a super-2 number, since 2×9045400² = 163638522320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127365 + ... + 127435.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

Almost surely, 2^9045400 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 9045400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13358520).

9045400 is an abundant number, since it is smaller than the sum of its proper divisors (17671640).

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

9045400 is a wasteful number, since it uses less digits than its factorization.

9045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 9045400 is about 3007.5571482517. The cubic root of 9045400 is about 208.3575580720.

The spelling of 9045400 in words is "nine million, forty-five thousand, four hundred".