443145521462452 has 24 divisors (see below), whose sum is σ = 809225264143296. Its totient is φ = 211938374744448.

The previous prime is 443145521462431. The next prime is 443145521462459. The reversal of 443145521462452 is 254264125541344.

It is a self number, because there is not a number n which added to its sum of digits gives 443145521462452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443145521462459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16322983 + ... + 33951889.

It is an arithmetic number, because the mean of its divisors is an integer number (33717719339304).

Almost surely, 2^{443145521462452} is an apocalyptic number.

It is an amenable number.

443145521462452 is a deficient number, since it is larger than the sum of its proper divisors (366079742680844).

443145521462452 is a wasteful number, since it uses less digits than its factorization.

443145521462452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17902167 (or 17902165 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 52.

The spelling of 443145521462452 in words is "four hundred forty-three trillion, one hundred forty-five billion, five hundred twenty-one million, four hundred sixty-two thousand, four hundred fifty-two".