4545906 has 8 divisors (see below), whose sum is σ = 9091824. Its totient is φ = 1515300.

The previous prime is 4545901. The next prime is 4545911. The reversal of 4545906 is 6095454.

It is an interprime number because it is at equal distance from previous prime (4545901) and next prime (4545911).

It is a sphenic number, since it is the product of 3 distinct primes.

4545906 is an admirable number.

It is a super-2 number, since 2×4545906² = 41330522721672, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4545901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378820 + ... + 378831.

It is an arithmetic number, because the mean of its divisors is an integer number (1136478).

Almost surely, 2^4545906 is an apocalyptic number.

4545906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4545906 is a wasteful number, since it uses less digits than its factorization.

4545906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757656.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 4545906 is about 2132.1130364031. The cubic root of 4545906 is about 165.6558651864.

The spelling of 4545906 in words is "four million, five hundred forty-five thousand, nine hundred six".