545039451 has 12 divisors (see below), whose sum is σ = 858850200. Its totient is φ = 330326880.

The previous prime is 545039449. The next prime is 545039459. The reversal of 545039451 is 154930545.

It is not a de Polignac number, because 545039451 - 2¹ = 545039449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545039459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2752626 + ... + 2752823.

It is an arithmetic number, because the mean of its divisors is an integer number (71570850).

Almost surely, 2^545039451 is an apocalyptic number.

545039451 is a deficient number, since it is larger than the sum of its proper divisors (313810749).

545039451 is a wasteful number, since it uses less digits than its factorization.

545039451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505466 (or 5505463 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 545039451 is about 23346.0799921529. The cubic root of 545039451 is about 816.8506259105.

Adding to 545039451 its reverse (154930545), we get a palindrome (699969996).

It can be divided in two parts, 545039 and 451, that added together give a triangular number (545490 = T₁₀₄₄).

The spelling of 545039451 in words is "five hundred forty-five million, thirty-nine thousand, four hundred fifty-one".