1149545600 has 384 divisors, whose sum is σ = 3556617600. Its totient is φ = 358318080.

The previous prime is 1149545591. The next prime is 1149545603. The reversal of 1149545600 is 65459411.

It is a super-3 number, since 3×1149545600³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1149545603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15747164 + ... + 15747236.

It is an arithmetic number, because the mean of its divisors is an integer number (9262025).

Almost surely, 2^1149545600 is an apocalyptic number.

1149545600 is a gapful number since it is divisible by the number (10) 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 1149545600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1778308800).

1149545600 is an abundant number, since it is smaller than the sum of its proper divisors (2407072000).

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

1149545600 is a wasteful number, since it uses less digits than its factorization.

1149545600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1149545600 is about 33904.9494911879. The cubic root of 1149545600 is about 1047.5515436499.

The spelling of 1149545600 in words is "one billion, one hundred forty-nine million, five hundred forty-five thousand, six hundred".