1045642446 has 20 divisors (see below), whose sum is σ = 2343013992. Its totient is φ = 348547428.

The previous prime is 1045642397. The next prime is 1045642457. The reversal of 1045642446 is 6442465401.

1045642446 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 642 + 4 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1045642446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3227130 + ... + 3227453.

Almost surely, 2^1045642446 is an apocalyptic number.

1045642446 is an abundant number, since it is smaller than the sum of its proper divisors (1297371546).

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

1045642446 is an equidigital number, since it uses as much as digits as its factorization.

1045642446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454597 (or 6454588 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 1045642446 is about 32336.3950680963. The cubic root of 1045642446 is about 1014.9883748982.

The spelling of 1045642446 in words is "one billion, forty-five million, six hundred forty-two thousand, four hundred forty-six".