545689374 has 8 divisors (see below), whose sum is σ = 1091378760. Its totient is φ = 181896456.

The previous prime is 545689337. The next prime is 545689399. The reversal of 545689374 is 473986545.

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

545689374 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 45474109 + ... + 45474120.

It is an arithmetic number, because the mean of its divisors is an integer number (136422345).

Almost surely, 2^545689374 is an apocalyptic number.

545689374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545689374 is a wasteful number, since it uses less digits than its factorization.

545689374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90948234.

The product of its digits is 3628800, while the sum is 51.

The square root of 545689374 is about 23359.9951626707. The cubic root of 545689374 is about 817.1751768099.

It can be divided in two parts, 5456 and 89374, that added together give a triangular number (94830 = T₄₃₅).

The spelling of 545689374 in words is "five hundred forty-five million, six hundred eighty-nine thousand, three hundred seventy-four".