8145432 has 24 divisors (see below), whose sum is σ = 22060740. Its totient is φ = 2715120.

The previous prime is 8145419. The next prime is 8145437. The reversal of 8145432 is 2345418.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 8145396 and 8145405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56494 + ... + 56637.

Almost surely, 2^8145432 is an apocalyptic number.

It is an amenable number.

8145432 is an abundant number, since it is smaller than the sum of its proper divisors (13915308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8145432 is a wasteful number, since it uses less digits than its factorization.

8145432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113143 (or 113136 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 8145432 is about 2854.0203222822. The cubic root of 8145432 is about 201.2046627037.

The spelling of 8145432 in words is "eight million, one hundred forty-five thousand, four hundred thirty-two".