4545620 has 12 divisors (see below), whose sum is σ = 9545844. Its totient is φ = 1818240.

The previous prime is 4545601. The next prime is 4545641. The reversal of 4545620 is 265454.

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 2937796 = 1268^2 + 1714^2 .

It is a super-2 number, since 2×4545620² = 41325322368800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4545620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113621 + ... + 113660.

It is an arithmetic number, because the mean of its divisors is an integer number (795487).

Almost surely, 2^4545620 is an apocalyptic number.

It is an amenable number.

4545620 is an abundant number, since it is smaller than the sum of its proper divisors (5000224).

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

4545620 is a wasteful number, since it uses less digits than its factorization.

4545620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227290 (or 227288 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4545620 is about 2132.0459657334. The cubic root of 4545620 is about 165.6523911029.

The spelling of 4545620 in words is "four million, five hundred forty-five thousand, six hundred twenty".