434220545 has 64 divisors (see below), whose sum is σ = 632282112. Its totient is φ = 282624000.

The previous prime is 434220533. The next prime is 434220551. The reversal of 434220545 is 545022434.

It is not a de Polignac number, because 434220545 - 2⁴ = 434220529 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1801625 + ... + 1801865.

It is an arithmetic number, because the mean of its divisors is an integer number (9879408).

Almost surely, 2^434220545 is an apocalyptic number.

It is an amenable number.

434220545 is a deficient number, since it is larger than the sum of its proper divisors (198061567).

434220545 is a wasteful number, since it uses less digits than its factorization.

434220545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 434220545 is about 20837.9592330919. The cubic root of 434220545 is about 757.2456537689.

Adding to 434220545 its reverse (545022434), we get a palindrome (979242979).

The spelling of 434220545 in words is "four hundred thirty-four million, two hundred twenty thousand, five hundred forty-five".