545331412 has 18 divisors (see below), whose sum is σ = 975082682. Its totient is φ = 266859984.

The previous prime is 545331383. The next prime is 545331427. The reversal of 545331412 is 214133545.

It can be written as a sum of positive squares in only one way, i.e., 356983236 + 188348176 = 18894^2 + 13724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22023 + ... + 39694.

Almost surely, 2^545331412 is an apocalyptic number.

It is an amenable number.

545331412 is a deficient number, since it is larger than the sum of its proper divisors (429751270).

545331412 is a wasteful number, since it uses less digits than its factorization.

545331412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61815 (or 61766 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 545331412 is about 23352.3320462861. The cubic root of 545331412 is about 816.9964538588.

Adding to 545331412 its reverse (214133545), we get a palindrome (759464957).

It can be divided in two parts, 54533 and 1412, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 545331412 in words is "five hundred forty-five million, three hundred thirty-one thousand, four hundred twelve".