1145911536 has 200 divisors, whose sum is σ = 4135342464. Its totient is φ = 297613440.

The previous prime is 1145911531. The next prime is 1145911541. The reversal of 1145911536 is 6351195411.

1145911536 is a `hidden beast` number, since 1 + 14 + 591 + 1 + 53 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1145911531) and next prime (1145911541).

It is a super-2 number, since 2×1145911536² = 2626226496675758592, 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 1145911536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145911531) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 94051 + ... + 105533.

Almost surely, 2^1145911536 is an apocalyptic number.

1145911536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145911536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067671232).

1145911536 is an abundant number, since it is smaller than the sum of its proper divisors (2989430928).

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

1145911536 is a wasteful number, since it uses less digits than its factorization.

1145911536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11521 (or 11506 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 1145911536 is about 33851.3151295485. The cubic root of 1145911536 is about 1046.4465018052.

The spelling of 1145911536 in words is "one billion, one hundred forty-five million, nine hundred eleven thousand, five hundred thirty-six".