545000457 has 4 divisors (see below), whose sum is σ = 726667280. Its totient is φ = 363333636.

The previous prime is 545000453. The next prime is 545000459. The reversal of 545000457 is 754000545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 545000457 - 2² = 545000453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545000453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90833407 + ... + 90833412.

It is an arithmetic number, because the mean of its divisors is an integer number (181666820).

Almost surely, 2^545000457 is an apocalyptic number.

It is an amenable number.

545000457 is a deficient number, since it is larger than the sum of its proper divisors (181666823).

545000457 is a wasteful number, since it uses less digits than its factorization.

545000457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181666822.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 545000457 is about 23345.2448477201. The cubic root of 545000457 is about 816.8311453433.

The spelling of 545000457 in words is "five hundred forty-five million, four hundred fifty-seven", and thus it is an aban number.