545451443 has 8 divisors (see below), whose sum is σ = 578602512. Its totient is φ = 512418816.

The previous prime is 545451421. The next prime is 545451451. The reversal of 545451443 is 344154545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545451443 - 2²² = 541257139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545451043) 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, 20030 + ... + 38627.

It is an arithmetic number, because the mean of its divisors is an integer number (72325314).

Almost surely, 2^545451443 is an apocalyptic number.

545451443 is a deficient number, since it is larger than the sum of its proper divisors (33151069).

545451443 is a wasteful number, since it uses less digits than its factorization.

545451443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59221.

The product of its digits is 96000, while the sum is 35.

The square root of 545451443 is about 23354.9019051676. The cubic root of 545451443 is about 817.0563915438.

The spelling of 545451443 in words is "five hundred forty-five million, four hundred fifty-one thousand, four hundred forty-three".