545445470 has 8 divisors (see below), whose sum is σ = 981801864. Its totient is φ = 218178184.

The previous prime is 545445451. The next prime is 545445487. The reversal of 545445470 is 74544545.

It is a happy number.

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

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, 27272264 + ... + 27272283.

It is an arithmetic number, because the mean of its divisors is an integer number (122725233).

Almost surely, 2^545445470 is an apocalyptic number.

545445470 is a deficient number, since it is larger than the sum of its proper divisors (436356394).

545445470 is a wasteful number, since it uses less digits than its factorization.

545445470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54544554.

The product of its (nonzero) digits is 224000, while the sum is 38.

The square root of 545445470 is about 23354.7740301635. The cubic root of 545445470 is about 817.0534091240.

The spelling of 545445470 in words is "five hundred forty-five million, four hundred forty-five thousand, four hundred seventy".