4545145 has 16 divisors (see below), whose sum is σ = 6210432. Its totient is φ = 3160960.

The previous prime is 4545139. The next prime is 4545157. The reversal of 4545145 is 5415454.

4545145 = 355² + 356² + ... + 387².

4545145 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 4545145 - 2⁵ = 4545113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (388152).

Almost surely, 2^4545145 is an apocalyptic number.

It is an amenable number.

4545145 is a deficient number, since it is larger than the sum of its proper divisors (1665287).

4545145 is a wasteful number, since it uses less digits than its factorization.

4545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632.

The product of its digits is 8000, while the sum is 28.

The square root of 4545145 is about 2131.9345674762. The cubic root of 4545145 is about 165.6466208870.

The spelling of 4545145 in words is "four million, five hundred forty-five thousand, one hundred forty-five".