1545140612 has 6 divisors (see below), whose sum is σ = 2703996078. Its totient is φ = 772570304.

The previous prime is 1545140599. The next prime is 1545140671. The reversal of 1545140612 is 2160415451.

It can be written as a sum of positive squares in only one way, i.e., 777628996 + 767511616 = 27886^2 + 27704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193142573 + ... + 193142580.

It is an arithmetic number, because the mean of its divisors is an integer number (450666013).

Almost surely, 2^1545140612 is an apocalyptic number.

It is an amenable number.

1545140612 is a deficient number, since it is larger than the sum of its proper divisors (1158855466).

1545140612 is a wasteful number, since it uses less digits than its factorization.

1545140612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386285157 (or 386285155 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1545140612 is about 39308.2766348259. The cubic root of 1545140612 is about 1156.0838540642.

The spelling of 1545140612 in words is "one billion, five hundred forty-five million, one hundred forty thousand, six hundred twelve".