1157342208 has 176 divisors, whose sum is σ = 3484157760. Its totient is φ = 338329600.

The previous prime is 1157342183. The next prime is 1157342209. The reversal of 1157342208 is 8022437511.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1157342209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979378 + ... + 980558.

Almost surely, 2^1157342208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157342208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742078880).

1157342208 is an abundant number, since it is smaller than the sum of its proper divisors (2326815552).

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

1157342208 is a wasteful number, since it uses less digits than its factorization.

1157342208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1157342208 is about 34019.7326268153. The cubic root of 1157342208 is about 1049.9144928101.

Adding to 1157342208 its reverse (8022437511), we get a palindrome (9179779719).

The spelling of 1157342208 in words is "one billion, one hundred fifty-seven million, three hundred forty-two thousand, two hundred eight".