1153545000 has 160 divisors (see below), whose sum is σ = 3674198880. Its totient is φ = 301600000.

The previous prime is 1153544993. The next prime is 1153545007. The reversal of 1153545000 is 5453511.

It is an interprime number because it is at equal distance from previous prime (1153544993) and next prime (1153545007).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1153545007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 794275 + ... + 795725.

It is an arithmetic number, because the mean of its divisors is an integer number (22963743).

Almost surely, 2^1153545000 is an apocalyptic number.

1153545000 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 1153545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837099440).

1153545000 is an abundant number, since it is smaller than the sum of its proper divisors (2520653880).

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

1153545000 is a wasteful number, since it uses less digits than its factorization.

1153545000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1153545000 is about 33963.8778704670. The cubic root of 1153545000 is about 1048.7649878550.

Adding to 1153545000 its reverse (5453511), we get a palindrome (1158998511).

The spelling of 1153545000 in words is "one billion, one hundred fifty-three million, five hundred forty-five thousand".