1045543672 has 8 divisors (see below), whose sum is σ = 1960394400. Its totient is φ = 522771832.

The previous prime is 1045543663. The next prime is 1045543691. The reversal of 1045543672 is 2763455401.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65346472 + ... + 65346487.

It is an arithmetic number, because the mean of its divisors is an integer number (245049300).

Almost surely, 2^1045543672 is an apocalyptic number.

It is an amenable number.

1045543672 is a deficient number, since it is larger than the sum of its proper divisors (914850728).

1045543672 is a wasteful number, since it uses less digits than its factorization.

1045543672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130692965 (or 130692961 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 1045543672 is about 32334.8677436602. The cubic root of 1045543672 is about 1014.9564144452.

The spelling of 1045543672 in words is "one billion, forty-five million, five hundred forty-three thousand, six hundred seventy-two".