432945 has 20 divisors (see below), whose sum is σ = 776820. Its totient is φ = 230688.

The previous prime is 432931. The next prime is 432959. The reversal of 432945 is 549234.

It is an interprime number because it is at equal distance from previous prime (432931) and next prime (432959).

It can be written as a sum of positive squares in 2 ways, for example, as 178929 + 254016 = 423^2 + 504^2 .

It is not a de Polignac number, because 432945 - 2⁹ = 432433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 3¹¹ + 9⁵ + 2¹⁷ + 4⁸ + 5³ .

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 432945.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 130 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (38841).

2⁴³²⁹⁴⁵ is an apocalyptic number.

432945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

432945 is a deficient number, since it is larger than the sum of its proper divisors (343875).

432945 is a wasteful number, since it uses less digits than its factorization.

432945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1077 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 432945 is about 657.9855621516. The cubic root of 432945 is about 75.6503443956.

The spelling of 432945 in words is "four hundred thirty-two thousand, nine hundred forty-five".