4545392 has 30 divisors (see below), whose sum is σ = 9364728. Its totient is φ = 2136832.

The previous prime is 4545379. The next prime is 4545397. The reversal of 4545392 is 2935454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4133 + ... + 5115.

Almost surely, 2^4545392 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 4545392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4682364).

4545392 is an abundant number, since it is smaller than the sum of its proper divisors (4819336).

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

4545392 is a wasteful number, since it uses less digits than its factorization.

4545392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1002 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 4545392 is about 2131.9924952964. The cubic root of 4545392 is about 165.6496214494.

Adding to 4545392 its sum of digits (32), we get a square (4545424 = 2132²).

The spelling of 4545392 in words is "four million, five hundred forty-five thousand, three hundred ninety-two".