1045469144 has 16 divisors (see below), whose sum is σ = 1993480200. Its totient is φ = 513874432.

The previous prime is 1045469119. The next prime is 1045469147. The reversal of 1045469144 is 4419645401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1045469098 and 1045469107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045469147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107017 + ... + 1107960.

Almost surely, 2^1045469144 is an apocalyptic number.

It is an amenable number.

1045469144 is a deficient number, since it is larger than the sum of its proper divisors (948011056).

1045469144 is a wasteful number, since it uses less digits than its factorization.

1045469144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215042 (or 2215038 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 1045469144 is about 32333.7152829674. The cubic root of 1045469144 is about 1014.9322979748.

The spelling of 1045469144 in words is "one billion, forty-five million, four hundred sixty-nine thousand, one hundred forty-four".