1157245248 has 56 divisors (see below), whose sum is σ = 3119676768. Its totient is φ = 378466816.

The previous prime is 1157245241. The next prime is 1157245249. The reversal of 1157245248 is 8425427511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157245241) 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, 46686 + ... + 67037.

Almost surely, 2^1157245248 is an apocalyptic number.

It is an amenable number.

1157245248 is an abundant number, since it is smaller than the sum of its proper divisors (1962431520).

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

1157245248 is a wasteful number, since it uses less digits than its factorization.

1157245248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113791 (or 113781 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 1157245248 is about 34018.3075416753. The cubic root of 1157245248 is about 1049.8851720234.

The spelling of 1157245248 in words is "one billion, one hundred fifty-seven million, two hundred forty-five thousand, two hundred forty-eight".