1151445456 has 100 divisors (see below), whose sum is σ = 3808735392. Its totient is φ = 328981824.

The previous prime is 1151445419. The next prime is 1151445473. The reversal of 1151445456 is 6545441511.

1151445456 is a `hidden beast` number, since 1 + 151 + 4 + 454 + 56 = 666.

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 1151445456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54390 + ... + 72533.

Almost surely, 2^1151445456 is an apocalyptic number.

1151445456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1151445456 is an abundant number, since it is smaller than the sum of its proper divisors (2657289936).

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

1151445456 is a wasteful number, since it uses less digits than its factorization.

1151445456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126950 (or 126935 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 1151445456 is about 33932.9553089618. The cubic root of 1151445456 is about 1048.1283227675.

Adding to 1151445456 its reverse (6545441511), we get a palindrome (7696886967).

The spelling of 1151445456 in words is "one billion, one hundred fifty-one million, four hundred forty-five thousand, four hundred fifty-six".