545012450 has 24 divisors (see below), whose sum is σ = 1014594660. Its totient is φ = 217817600.

The previous prime is 545012431. The next prime is 545012471. The reversal of 545012450 is 54210545.

It can be written as a sum of positive squares in 6 ways, for example, as 142969849 + 402042601 = 11957^2 + 20051^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64046 + ... + 72054.

Almost surely, 2^545012450 is an apocalyptic number.

545012450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545012450 is a deficient number, since it is larger than the sum of its proper divisors (469582210).

545012450 is a wasteful number, since it uses less digits than its factorization.

545012450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9382 (or 9377 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 545012450 is about 23345.5017080379. The cubic root of 545012450 is about 816.8371368882.

Adding to 545012450 its reverse (54210545), we get a palindrome (599222995).

The spelling of 545012450 in words is "five hundred forty-five million, twelve thousand, four hundred fifty".