1045646450 has 48 divisors (see below), whose sum is σ = 1979873280. Its totient is φ = 410800320.

The previous prime is 1045646443. The next prime is 1045646453. The reversal of 1045646450 is 546465401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045646450.

It is not an unprimeable number, because it can be changed into a prime (1045646453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816911 + ... + 818189.

It is an arithmetic number, because the mean of its divisors is an integer number (41247360).

Almost surely, 2^1045646450 is an apocalyptic number.

1045646450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045646450 is a deficient number, since it is larger than the sum of its proper divisors (934226830).

1045646450 is a wasteful number, since it uses less digits than its factorization.

1045646450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1045646450 is about 32336.4569797002. The cubic root of 1045646450 is about 1014.9896704361.

The spelling of 1045646450 in words is "one billion, forty-five million, six hundred forty-six thousand, four hundred fifty".