545520154 has 8 divisors (see below), whose sum is σ = 818446068. Its totient is φ = 272704800.

The previous prime is 545520127. The next prime is 545520161. The reversal of 545520154 is 451025545.

It can be written as a sum of positive squares in 2 ways, for example, as 494039529 + 51480625 = 22227^2 + 7175^2 .

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

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, 13947 + ... + 35854.

Almost surely, 2^545520154 is an apocalyptic number.

545520154 is a deficient number, since it is larger than the sum of its proper divisors (272925914).

545520154 is a wasteful number, since it uses less digits than its factorization.

545520154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55280.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 545520154 is about 23356.3728776538. The cubic root of 545520154 is about 817.0906985417.

Adding to 545520154 its reverse (451025545), we get a palindrome (996545699).

The spelling of 545520154 in words is "five hundred forty-five million, five hundred twenty thousand, one hundred fifty-four".