4545750 has 128 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 1008000.

The previous prime is 4545733. The next prime is 4545767. The reversal of 4545750 is 575454.

It is an interprime number because it is at equal distance from previous prime (4545733) and next prime (4545767).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156736 + ... + 156764.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

Almost surely, 2^4545750 is an apocalyptic number.

4545750 is the 1140-th nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6739200).

4545750 is an abundant number, since it is smaller than the sum of its proper divisors (8932650).

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

4545750 is a wasteful number, since it uses less digits than its factorization.

4545750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 4545750 is about 2132.0764526630. The cubic root of 4545750 is about 165.6539702498.

4545750 divided by its sum of digits (30) gives a triangular number (151525 = T₅₅₀).

The spelling of 4545750 in words is "four million, five hundred forty-five thousand, seven hundred fifty".