1147158357 has 4 divisors (see below), whose sum is σ = 1529544480. Its totient is φ = 764772236.

The previous prime is 1147158263. The next prime is 1147158359. The reversal of 1147158357 is 7538517411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1147158357 - 2¹⁸ = 1146896213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147158359) 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, 191193057 + ... + 191193062.

It is an arithmetic number, because the mean of its divisors is an integer number (382386120).

Almost surely, 2^1147158357 is an apocalyptic number.

It is an amenable number.

1147158357 is a deficient number, since it is larger than the sum of its proper divisors (382386123).

1147158357 is an equidigital number, since it uses as much as digits as its factorization.

1147158357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382386122.

The product of its digits is 117600, while the sum is 42.

The square root of 1147158357 is about 33869.7262610727. The cubic root of 1147158357 is about 1046.8258965809.

The spelling of 1147158357 in words is "one billion, one hundred forty-seven million, one hundred fifty-eight thousand, three hundred fifty-seven".