1045645132 has 12 divisors (see below), whose sum is σ = 2091290320. Its totient is φ = 448133616.

The previous prime is 1045645127. The next prime is 1045645157. The reversal of 1045645132 is 2315465401.

It is a happy number.

1045645132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1045645094 and 1045645103.

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, 18672207 + ... + 18672262.

Almost surely, 2^1045645132 is an apocalyptic number.

It is an amenable number.

1045645132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1045645132 is a wasteful number, since it uses less digits than its factorization.

1045645132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344480 (or 37344478 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1045645132 is about 32336.4366002193. The cubic root of 1045645132 is about 1014.9892439832.

The spelling of 1045645132 in words is "one billion, forty-five million, six hundred forty-five thousand, one hundred thirty-two".