1545107729 has 16 divisors (see below), whose sum is σ = 1707298560. Its totient is φ = 1386591360.

The previous prime is 1545107719. The next prime is 1545107743. The reversal of 1545107729 is 9277015451.

It is a de Polignac number, because none of the positive numbers 2^k-1545107729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1545107719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975272 + ... + 976854.

It is an arithmetic number, because the mean of its divisors is an integer number (106706160).

Almost surely, 2^1545107729 is an apocalyptic number.

It is an amenable number.

1545107729 is a deficient number, since it is larger than the sum of its proper divisors (162190831).

1545107729 is a wasteful number, since it uses less digits than its factorization.

1545107729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 1545107729 is about 39307.8583619103. The cubic root of 1545107729 is about 1156.0756529174.

The spelling of 1545107729 in words is "one billion, five hundred forty-five million, one hundred seven thousand, seven hundred twenty-nine".