545512144 has 10 divisors (see below), whose sum is σ = 1056929810. Its totient is φ = 272756064.

The previous prime is 545512139. The next prime is 545512151. The reversal of 545512144 is 441215545.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 471758400 + 73753744 = 21720^2 + 8588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17047239 + ... + 17047270.

It is an arithmetic number, because the mean of its divisors is an integer number (105692981).

Almost surely, 2^545512144 is an apocalyptic number.

It is an amenable number.

545512144 is a deficient number, since it is larger than the sum of its proper divisors (511417666).

545512144 is a wasteful number, since it uses less digits than its factorization.

545512144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34094517 (or 34094511 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 545512144 is about 23356.2014034817. The cubic root of 545512144 is about 817.0866993442.

Adding to 545512144 its reverse (441215545), we get a palindrome (986727689).

The spelling of 545512144 in words is "five hundred forty-five million, five hundred twelve thousand, one hundred forty-four".