432145491 has 16 divisors (see below), whose sum is σ = 611750304. Its totient is φ = 270411264.

The previous prime is 432145489. The next prime is 432145499. The reversal of 432145491 is 194541234.

It is not a de Polignac number, because 432145491 - 2¹ = 432145489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432145499) by changing a digit.

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, 7665 + ... + 30381.

It is an arithmetic number, because the mean of its divisors is an integer number (38234394).

Almost surely, 2^432145491 is an apocalyptic number.

432145491 is a deficient number, since it is larger than the sum of its proper divisors (179604813).

432145491 is a wasteful number, since it uses less digits than its factorization.

432145491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23110.

The product of its digits is 17280, while the sum is 33.

The square root of 432145491 is about 20788.1093656927. The cubic root of 432145491 is about 756.0374848439.

The spelling of 432145491 in words is "four hundred thirty-two million, one hundred forty-five thousand, four hundred ninety-one".