1157246446 has 8 divisors (see below), whose sum is σ = 1748358360. Its totient is φ = 574460328.

The previous prime is 1157246437. The next prime is 1157246513. The reversal of 1157246446 is 6446427511.

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 = 1157246399 and 1157246408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081101 + ... + 2081656.

It is an arithmetic number, because the mean of its divisors is an integer number (218544795).

Almost surely, 2^1157246446 is an apocalyptic number.

1157246446 is a deficient number, since it is larger than the sum of its proper divisors (591111914).

1157246446 is a wasteful number, since it uses less digits than its factorization.

1157246446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162898.

The product of its digits is 161280, while the sum is 40.

The square root of 1157246446 is about 34018.3251498365. The cubic root of 1157246446 is about 1049.8855343096.

The spelling of 1157246446 in words is "one billion, one hundred fifty-seven million, two hundred forty-six thousand, four hundred forty-six".