1156245300 has 288 divisors, whose sum is σ = 4289725440. Its totient is φ = 261705600.

The previous prime is 1156245253. The next prime is 1156245329. The reversal of 1156245300 is 35426511.

1156245300 is a `hidden beast` number, since 1 + 1 + 5 + 624 + 5 + 30 + 0 = 666.

1156245300 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2475667 + ... + 2476133.

It is an arithmetic number, because the mean of its divisors is an integer number (14894880).

Almost surely, 2^1156245300 is an apocalyptic number.

1156245300 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 1156245300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144862720).

1156245300 is an abundant number, since it is smaller than the sum of its proper divisors (3133480140).

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

1156245300 is a wasteful number, since it uses less digits than its factorization.

1156245300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1156245300 is about 34003.6071615939. The cubic root of 1156245300 is about 1049.5826913110.

The spelling of 1156245300 in words is "one billion, one hundred fifty-six million, two hundred forty-five thousand, three hundred".