1151545332 has 48 divisors (see below), whose sum is σ = 3142211072. Its totient is φ = 321360480.

The previous prime is 1151545321. The next prime is 1151545333. The reversal of 1151545332 is 2335451511.

It is a self number, because there is not a number n which added to its sum of digits gives 1151545332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151545333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155794 + ... + 163017.

Almost surely, 2^1151545332 is an apocalyptic number.

1151545332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151545332 is an abundant number, since it is smaller than the sum of its proper divisors (1990665740).

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

1151545332 is a wasteful number, since it uses less digits than its factorization.

1151545332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318868 (or 318866 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1151545332 is about 33934.4269437396. The cubic root of 1151545332 is about 1048.1586266599.

Adding to 1151545332 its reverse (2335451511), we get a palindrome (3486996843).

The spelling of 1151545332 in words is "one billion, one hundred fifty-one million, five hundred forty-five thousand, three hundred thirty-two".