1155067452 has 432 divisors, whose sum is σ = 4034075136. Its totient is φ = 282268800.

The previous prime is 1155067427. The next prime is 1155067523. The reversal of 1155067452 is 2547605511.

1155067452 is a `hidden beast` number, since 1 + 1 + 550 + 67 + 45 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18935502 + ... + 18935562.

Almost surely, 2^1155067452 is an apocalyptic number.

1155067452 is a gapful number since it is divisible by the number (12) 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 1155067452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2017037568).

1155067452 is an abundant number, since it is smaller than the sum of its proper divisors (2879007684).

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

1155067452 is a wasteful number, since it uses less digits than its factorization.

1155067452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 1155067452 is about 33986.2832919400. The cubic root of 1155067452 is about 1049.2261727033.

The spelling of 1155067452 in words is "one billion, one hundred fifty-five million, sixty-seven thousand, four hundred fifty-two".