1545047968 has 24 divisors (see below), whose sum is σ = 3069726660. Its totient is φ = 765434880.

The previous prime is 1545047957. The next prime is 1545047971. The reversal of 1545047968 is 8697405451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1435803664 + 109244304 = 37892^2 + 10452^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217993 + ... + 224968.

Almost surely, 2^1545047968 is an apocalyptic number.

It is an amenable number.

1545047968 is a deficient number, since it is larger than the sum of its proper divisors (1524678692).

1545047968 is a wasteful number, since it uses less digits than its factorization.

1545047968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443080 (or 443072 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 1545047968 is about 39307.0981884952. The cubic root of 1545047968 is about 1156.0607479960.

The spelling of 1545047968 in words is "one billion, five hundred forty-five million, forty-seven thousand, nine hundred sixty-eight".