545874894 has 24 divisors (see below), whose sum is σ = 1183163592. Its totient is φ = 181891440.

The previous prime is 545874871. The next prime is 545874907. The reversal of 545874894 is 498478545.

It is a happy number.

545874894 is a `hidden beast` number, since 54 + 587 + 4 + 8 + 9 + 4 = 666.

It is a super-2 number, since 2×545874894² = 595958799799022472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545874894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81804 + ... + 88224.

It is an arithmetic number, because the mean of its divisors is an integer number (49298483).

Almost surely, 2^545874894 is an apocalyptic number.

545874894 is an abundant number, since it is smaller than the sum of its proper divisors (637288698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545874894 is a wasteful number, since it uses less digits than its factorization.

545874894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152 (or 11149 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 545874894 is about 23363.9657164617. The cubic root of 545874894 is about 817.2677723224.

The spelling of 545874894 in words is "five hundred forty-five million, eight hundred seventy-four thousand, eight hundred ninety-four".