1154249352 has 80 divisors (see below), whose sum is σ = 3249576000. Its totient is φ = 382773600.

The previous prime is 1154249351. The next prime is 1154249363. The reversal of 1154249352 is 2539424511.

1154249352 is a `hidden beast` number, since 11 + 54 + 249 + 352 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1154249351) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 124477 + ... + 133427.

It is an arithmetic number, because the mean of its divisors is an integer number (40619700).

Almost surely, 2^1154249352 is an apocalyptic number.

1154249352 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 1154249352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624788000).

1154249352 is an abundant number, since it is smaller than the sum of its proper divisors (2095326648).

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

1154249352 is a wasteful number, since it uses less digits than its factorization.

1154249352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168 (or 9155 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1154249352 is about 33974.2454220841. The cubic root of 1154249352 is about 1048.9784022770.

The spelling of 1154249352 in words is "one billion, one hundred fifty-four million, two hundred forty-nine thousand, three hundred fifty-two".