545123154 has 16 divisors (see below), whose sum is σ = 1097192448. Its totient is φ = 180550032.

The previous prime is 545123143. The next prime is 545123171. The reversal of 545123154 is 451321545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288402 + ... + 290285.

It is an arithmetic number, because the mean of its divisors is an integer number (68574528).

Almost surely, 2^545123154 is an apocalyptic number.

545123154 is an abundant number, since it is smaller than the sum of its proper divisors (552069294).

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

545123154 is a wasteful number, since it uses less digits than its factorization.

545123154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578849.

The product of its digits is 12000, while the sum is 30.

The square root of 545123154 is about 23347.8725797448. The cubic root of 545123154 is about 816.8924389989.

Adding to 545123154 its reverse (451321545), we get a palindrome (996444699).

The spelling of 545123154 in words is "five hundred forty-five million, one hundred twenty-three thousand, one hundred fifty-four".