545146469 has 16 divisors (see below), whose sum is σ = 629637120. Its totient is φ = 462337200.

The previous prime is 545146457. The next prime is 545146487. The reversal of 545146469 is 964641545.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545146469 is a prime.

It is a super-2 number, since 2×545146469² = 594369345326335922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545146409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278444 + ... + 280394.

It is an arithmetic number, because the mean of its divisors is an integer number (39352320).

Almost surely, 2^545146469 is an apocalyptic number.

It is an amenable number.

545146469 is a deficient number, since it is larger than the sum of its proper divisors (84490651).

545146469 is a wasteful number, since it uses less digits than its factorization.

545146469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360.

The product of its digits is 518400, while the sum is 44.

The square root of 545146469 is about 23348.3718704324. The cubic root of 545146469 is about 816.9040850373.

The spelling of 545146469 in words is "five hundred forty-five million, one hundred forty-six thousand, four hundred sixty-nine".