1157146303 has 4 divisors (see below), whose sum is σ = 1218048760. Its totient is φ = 1096243848.

The previous prime is 1157146267. The next prime is 1157146339. The reversal of 1157146303 is 3036417511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3036417511 = 4621 ⋅657091.

It is an interprime number because it is at equal distance from previous prime (1157146267) and next prime (1157146339).

It is a cyclic number.

It is not a de Polignac number, because 1157146303 - 2¹⁷ = 1157015231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157146343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30451200 + ... + 30451237.

It is an arithmetic number, because the mean of its divisors is an integer number (304512190).

Almost surely, 2^1157146303 is an apocalyptic number.

1157146303 is a deficient number, since it is larger than the sum of its proper divisors (60902457).

1157146303 is an equidigital number, since it uses as much as digits as its factorization.

1157146303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60902456.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1157146303 is about 34016.8532201319. The cubic root of 1157146303 is about 1049.8552492825.

The spelling of 1157146303 in words is "one billion, one hundred fifty-seven million, one hundred forty-six thousand, three hundred three".