424745 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 301824.

The previous prime is 424729. The next prime is 424757. The reversal of 424745 is 547424.

424745 = T₄₃ + T₄₄ + ... + T₁₃₇.

It is a cyclic number.

It is not a de Polignac number, because 424745 - 2⁴ = 424729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484 + ... + 1746.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2⁴²⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

424745 is a deficient number, since it is larger than the sum of its proper divisors (145495).

424745 is a wasteful number, since it uses less digits than its factorization.

424745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its digits is 4480, while the sum is 26.

The square root of 424745 is about 651.7246351029. The cubic root of 424745 is about 75.1696898559.

The spelling of 424745 in words is "four hundred twenty-four thousand, seven hundred forty-five".