4545493 has 4 divisors (see below), whose sum is σ = 4589728. Its totient is φ = 4501260.

The previous prime is 4545479. The next prime is 4545509. The reversal of 4545493 is 3945454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4545493 - 2⁵ = 4545461 is a prime.

It is a super-2 number, since 2×4545493² = 41323013226098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21963 + ... + 22168.

It is an arithmetic number, because the mean of its divisors is an integer number (1147432).

Almost surely, 2^4545493 is an apocalyptic number.

It is an amenable number.

4545493 is a deficient number, since it is larger than the sum of its proper divisors (44235).

4545493 is a wasteful number, since it uses less digits than its factorization.

4545493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44234.

The product of its digits is 43200, while the sum is 34.

The square root of 4545493 is about 2132.0161819273. The cubic root of 4545493 is about 165.6508483687.

The spelling of 4545493 in words is "four million, five hundred forty-five thousand, four hundred ninety-three".