1045451556 has 48 divisors (see below), whose sum is σ = 2744761600. Its totient is φ = 344069856.

The previous prime is 1045451531. The next prime is 1045451569. The reversal of 1045451556 is 6551545401.

1045451556 is a `hidden beast` number, since 1 + 0 + 4 + 54 + 51 + 556 = 666.

It is a super-2 number, since 2×1045451556² = 2185937911885642272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1045451556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52735 + ... + 69798.

Almost surely, 2^1045451556 is an apocalyptic number.

It is an amenable number.

1045451556 is an abundant number, since it is smaller than the sum of its proper divisors (1699310044).

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

1045451556 is a wasteful number, since it uses less digits than its factorization.

1045451556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122625 (or 122617 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 1045451556 is about 32333.4433056549. The cubic root of 1045451556 is about 1014.9266065174.

Adding to 1045451556 its reverse (6551545401), we get a palindrome (7596996957).

The spelling of 1045451556 in words is "one billion, forty-five million, four hundred fifty-one thousand, five hundred fifty-six".