1157301450 has 72 divisors (see below), whose sum is σ = 3118615500. Its totient is φ = 307687680.

The previous prime is 1157301421. The next prime is 1157301487. The reversal of 1157301450 is 541037511.

It can be written as a sum of positive squares in 6 ways, for example, as 837928809 + 319372641 = 28947^2 + 17871^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 153366 + ... + 160734.

Almost surely, 2^1157301450 is an apocalyptic number.

1157301450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157301450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559307750).

1157301450 is an abundant number, since it is smaller than the sum of its proper divisors (1961314050).

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

1157301450 is a wasteful number, since it uses less digits than its factorization.

1157301450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7736 (or 7728 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1157301450 is about 34019.1335868508. The cubic root of 1157301450 is about 1049.9021677557.

Adding to 1157301450 its reverse (541037511), we get a palindrome (1698338961).

The spelling of 1157301450 in words is "one billion, one hundred fifty-seven million, three hundred one thousand, four hundred fifty".