1545105012 has 48 divisors (see below), whose sum is σ = 3948037632. Its totient is φ = 466422880.

The previous prime is 1545104999. The next prime is 1545105013. The reversal of 1545105012 is 2105015451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545105013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12463 + ... + 56969.

It is an arithmetic number, because the mean of its divisors is an integer number (82250784).

Almost surely, 2^1545105012 is an apocalyptic number.

1545105012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545105012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974018816).

1545105012 is an abundant number, since it is smaller than the sum of its proper divisors (2402932620).

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

1545105012 is a wasteful number, since it uses less digits than its factorization.

1545105012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44788 (or 44786 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1545105012 is about 39307.8238013757. The cubic root of 1545105012 is about 1156.0749752819.

The spelling of 1545105012 in words is "one billion, five hundred forty-five million, one hundred five thousand, twelve".