1545513316 has 12 divisors (see below), whose sum is σ = 2863745388. Its totient is φ = 727300352.

The previous prime is 1545513311. The next prime is 1545513323. The reversal of 1545513316 is 6133155451.

It can be written as a sum of positive squares in 2 ways, for example, as 803495716 + 742017600 = 28346^2 + 27240^2 .

It is a super-2 number, since 2×1545513316² = 4777222819866631712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1545513311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11364001 + ... + 11364136.

It is an arithmetic number, because the mean of its divisors is an integer number (238645449).

Almost surely, 2^1545513316 is an apocalyptic number.

It is an amenable number.

1545513316 is a deficient number, since it is larger than the sum of its proper divisors (1318232072).

1545513316 is a wasteful number, since it uses less digits than its factorization.

1545513316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728158 (or 22728156 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 1545513316 is about 39313.0171317339. The cubic root of 1545513316 is about 1156.1767997448.

Adding to 1545513316 its reverse (6133155451), we get a palindrome (7678668767).

The spelling of 1545513316 in words is "one billion, five hundred forty-five million, five hundred thirteen thousand, three hundred sixteen".