1154405532 has 24 divisors (see below), whose sum is σ = 3078414976. Its totient is φ = 329830128.

The previous prime is 1154405531. The next prime is 1154405537. The reversal of 1154405532 is 2355044511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154405532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154405531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6871378 + ... + 6871545.

Almost surely, 2^1154405532 is an apocalyptic number.

1154405532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154405532 is an abundant number, since it is smaller than the sum of its proper divisors (1924009444).

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

1154405532 is a wasteful number, since it uses less digits than its factorization.

1154405532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742937 (or 13742935 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1154405532 is about 33976.5438501328. The cubic root of 1154405532 is about 1049.0257121175.

The spelling of 1154405532 in words is "one billion, one hundred fifty-four million, four hundred five thousand, five hundred thirty-two".