4545447 has 4 divisors (see below), whose sum is σ = 6060600. Its totient is φ = 3030296.

The previous prime is 4545433. The next prime is 4545449. The reversal of 4545447 is 7445454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4545447 - 2¹² = 4541351 is a prime.

It is a super-2 number, since 2×4545447² = 41322176859618, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757572 + ... + 757577.

It is an arithmetic number, because the mean of its divisors is an integer number (1515150).

Almost surely, 2^4545447 is an apocalyptic number.

4545447 is a deficient number, since it is larger than the sum of its proper divisors (1515153).

4545447 is a wasteful number, since it uses less digits than its factorization.

4545447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515152.

The product of its digits is 44800, while the sum is 33.

The square root of 4545447 is about 2132.0053939894. The cubic root of 4545447 is about 165.6502895761.

The spelling of 4545447 in words is "four million, five hundred forty-five thousand, four hundred forty-seven".