1540463545 has 8 divisors (see below), whose sum is σ = 1848945024. Its totient is φ = 1232111664.

The previous prime is 1540463543. The next prime is 1540463579. The reversal of 1540463545 is 5453640451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540463545 - 2¹ = 1540463543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1540463543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3979 + ... + 55648.

It is an arithmetic number, because the mean of its divisors is an integer number (231118128).

Almost surely, 2^1540463545 is an apocalyptic number.

It is an amenable number.

1540463545 is a deficient number, since it is larger than the sum of its proper divisors (308481479).

1540463545 is an equidigital number, since it uses as much as digits as its factorization.

1540463545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64799.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 1540463545 is about 39248.7394065083. The cubic root of 1540463545 is about 1154.9162048864.

The spelling of 1540463545 in words is "one billion, five hundred forty million, four hundred sixty-three thousand, five hundred forty-five".