945825543 has 12 divisors (see below), whose sum is σ = 1471284360. Its totient is φ = 582046416.

The previous prime is 945825539. The next prime is 945825571. The reversal of 945825543 is 345528549.

945825543 is a `hidden beast` number, since 94 + 5 + 8 + 2 + 554 + 3 = 666.

It is not a de Polignac number, because 945825543 - 2² = 945825539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945820543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4041873 + ... + 4042106.

It is an arithmetic number, because the mean of its divisors is an integer number (122607030).

Almost surely, 2^945825543 is an apocalyptic number.

945825543 is a deficient number, since it is larger than the sum of its proper divisors (525458817).

945825543 is a wasteful number, since it uses less digits than its factorization.

945825543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083998 (or 8083995 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 945825543 is about 30754.2768245329. The cubic root of 945825543 is about 981.6055671229.

The spelling of 945825543 in words is "nine hundred forty-five million, eight hundred twenty-five thousand, five hundred forty-three".