1045663652 has 12 divisors (see below), whose sum is σ = 1996267056. Its totient is φ = 475301640.

The previous prime is 1045663649. The next prime is 1045663657. The reversal of 1045663652 is 2563665401.

It is a happy number.

It is a super-2 number, since 2×1045663652² = 2186824946227954208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1045663657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11882498 + ... + 11882585.

It is an arithmetic number, because the mean of its divisors is an integer number (166355588).

Almost surely, 2^1045663652 is an apocalyptic number.

It is an amenable number.

1045663652 is a deficient number, since it is larger than the sum of its proper divisors (950603404).

1045663652 is a wasteful number, since it uses less digits than its factorization.

1045663652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23765098 (or 23765096 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 1045663652 is about 32336.7229632194. The cubic root of 1045663652 is about 1014.9952362933.

The spelling of 1045663652 in words is "one billion, forty-five million, six hundred sixty-three thousand, six hundred fifty-two".