1545312664 has 16 divisors (see below), whose sum is σ = 3311384400. Its totient is φ = 662276832.

The previous prime is 1545312611. The next prime is 1545312667. The reversal of 1545312664 is 4662135451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545312667) 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, 13797379 + ... + 13797490.

It is an arithmetic number, because the mean of its divisors is an integer number (206961525).

Almost surely, 2^1545312664 is an apocalyptic number.

1545312664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1545312664 is an abundant number, since it is smaller than the sum of its proper divisors (1766071736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545312664 is a wasteful number, since it uses less digits than its factorization.

1545312664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27594882 (or 27594878 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 1545312664 is about 39310.4650697496. The cubic root of 1545312664 is about 1156.1267625985.

The spelling of 1545312664 in words is "one billion, five hundred forty-five million, three hundred twelve thousand, six hundred sixty-four".