4545045 has 32 divisors (see below), whose sum is σ = 8173440. Its totient is φ = 2396160.

The previous prime is 4545031. The next prime is 4545059. The reversal of 4545045 is 5405454.

It is an interprime number because it is at equal distance from previous prime (4545031) and next prime (4545059).

It is not a de Polignac number, because 4545045 - 2¹⁴ = 4528661 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17557 + ... + 17813.

It is an arithmetic number, because the mean of its divisors is an integer number (255420).

Almost surely, 2^4545045 is an apocalyptic number.

4545045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4545045 is a deficient number, since it is larger than the sum of its proper divisors (3628395).

4545045 is a wasteful number, since it uses less digits than its factorization.

4545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4545045 is about 2131.9111144698. The cubic root of 4545045 is about 165.6454060534.

The spelling of 4545045 in words is "four million, five hundred forty-five thousand, forty-five".