545123254 has 8 divisors (see below), whose sum is σ = 880583760. Its totient is φ = 251595336.

The previous prime is 545123239. The next prime is 545123263. The reversal of 545123254 is 452321545.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10483114 + ... + 10483165.

It is an arithmetic number, because the mean of its divisors is an integer number (110072970).

Almost surely, 2^545123254 is an apocalyptic number.

545123254 is a deficient number, since it is larger than the sum of its proper divisors (335460506).

545123254 is a wasteful number, since it uses less digits than its factorization.

545123254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20966294.

The product of its digits is 24000, while the sum is 31.

The square root of 545123254 is about 23347.8747212675. The cubic root of 545123254 is about 816.8924889504.

Adding to 545123254 its reverse (452321545), we get a palindrome (997444799).

The spelling of 545123254 in words is "five hundred forty-five million, one hundred twenty-three thousand, two hundred fifty-four".