1157458738 has 8 divisors (see below), whose sum is σ = 1757106288. Its totient is φ = 571756644.

The previous prime is 1157458733. The next prime is 1157458763. The reversal of 1157458738 is 8378547511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1157458691 and 1157458700.

It is not an unprimeable number, because it can be changed into a prime (1157458733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486156 + ... + 3486487.

It is an arithmetic number, because the mean of its divisors is an integer number (219638286).

Almost surely, 2^1157458738 is an apocalyptic number.

1157458738 is a deficient number, since it is larger than the sum of its proper divisors (599647550).

1157458738 is an equidigital number, since it uses as much as digits as its factorization.

1157458738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972728.

The product of its digits is 940800, while the sum is 49.

The square root of 1157458738 is about 34021.4452661847. The cubic root of 1157458738 is about 1049.9497294149.

The spelling of 1157458738 in words is "one billion, one hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred thirty-eight".